On Wed 15-03-17 18:59:59, Joe Perches wrote: > whitespace changes only - git diff -w shows no difference what is the point of this whitespace noise? Does it help readability? To be honest I do not think so. Such a patch would make sense only if it was a part of a larger series where other patches would actually do something useful. > Signed-off-by: Joe Perches <joe@xxxxxxxxxxx> > --- > mm/page_alloc.c | 552 ++++++++++++++++++++++++++++---------------------------- > 1 file changed, 276 insertions(+), 276 deletions(-) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 504749032400..79fc996892c6 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -204,33 +204,33 @@ static void __free_pages_ok(struct page *page, unsigned int order); > */ > int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES - 1] = { > #ifdef CONFIG_ZONE_DMA > - 256, > + 256, > #endif > #ifdef CONFIG_ZONE_DMA32 > - 256, > + 256, > #endif > #ifdef CONFIG_HIGHMEM > - 32, > + 32, > #endif > - 32, > + 32, > }; > > EXPORT_SYMBOL(totalram_pages); > > static char * const zone_names[MAX_NR_ZONES] = { > #ifdef CONFIG_ZONE_DMA > - "DMA", > + "DMA", > #endif > #ifdef CONFIG_ZONE_DMA32 > - "DMA32", > + "DMA32", > #endif > - "Normal", > + "Normal", > #ifdef CONFIG_HIGHMEM > - "HighMem", > + "HighMem", > #endif > - "Movable", > + "Movable", > #ifdef CONFIG_ZONE_DEVICE > - "Device", > + "Device", > #endif > }; > > @@ -310,8 +310,8 @@ static inline bool __meminit early_page_uninitialised(unsigned long pfn) > * later in the boot cycle when it can be parallelised. > */ > static inline bool update_defer_init(pg_data_t *pgdat, > - unsigned long pfn, unsigned long zone_end, > - unsigned long *nr_initialised) > + unsigned long pfn, unsigned long zone_end, > + unsigned long *nr_initialised) > { > unsigned long max_initialise; > > @@ -323,7 +323,7 @@ static inline bool update_defer_init(pg_data_t *pgdat, > * two large system hashes that can take up 1GB for 0.25TB/node. > */ > max_initialise = max(2UL << (30 - PAGE_SHIFT), > - (pgdat->node_spanned_pages >> 8)); > + (pgdat->node_spanned_pages >> 8)); > > (*nr_initialised)++; > if ((*nr_initialised > max_initialise) && > @@ -345,8 +345,8 @@ static inline bool early_page_uninitialised(unsigned long pfn) > } > > static inline bool update_defer_init(pg_data_t *pgdat, > - unsigned long pfn, unsigned long zone_end, > - unsigned long *nr_initialised) > + unsigned long pfn, unsigned long zone_end, > + unsigned long *nr_initialised) > { > return true; > } > @@ -354,7 +354,7 @@ static inline bool update_defer_init(pg_data_t *pgdat, > > /* Return a pointer to the bitmap storing bits affecting a block of pages */ > static inline unsigned long *get_pageblock_bitmap(struct page *page, > - unsigned long pfn) > + unsigned long pfn) > { > #ifdef CONFIG_SPARSEMEM > return __pfn_to_section(pfn)->pageblock_flags; > @@ -384,9 +384,9 @@ static inline int pfn_to_bitidx(struct page *page, unsigned long pfn) > * Return: pageblock_bits flags > */ > static __always_inline unsigned long __get_pfnblock_flags_mask(struct page *page, > - unsigned long pfn, > - unsigned long end_bitidx, > - unsigned long mask) > + unsigned long pfn, > + unsigned long end_bitidx, > + unsigned long mask) > { > unsigned long *bitmap; > unsigned long bitidx, word_bitidx; > @@ -403,8 +403,8 @@ static __always_inline unsigned long __get_pfnblock_flags_mask(struct page *page > } > > unsigned long get_pfnblock_flags_mask(struct page *page, unsigned long pfn, > - unsigned long end_bitidx, > - unsigned long mask) > + unsigned long end_bitidx, > + unsigned long mask) > { > return __get_pfnblock_flags_mask(page, pfn, end_bitidx, mask); > } > @@ -423,9 +423,9 @@ static __always_inline int get_pfnblock_migratetype(struct page *page, unsigned > * @mask: mask of bits that the caller is interested in > */ > void set_pfnblock_flags_mask(struct page *page, unsigned long flags, > - unsigned long pfn, > - unsigned long end_bitidx, > - unsigned long mask) > + unsigned long pfn, > + unsigned long end_bitidx, > + unsigned long mask) > { > unsigned long *bitmap; > unsigned long bitidx, word_bitidx; > @@ -460,7 +460,7 @@ void set_pageblock_migratetype(struct page *page, int migratetype) > migratetype = MIGRATE_UNMOVABLE; > > set_pageblock_flags_group(page, (unsigned long)migratetype, > - PB_migrate, PB_migrate_end); > + PB_migrate, PB_migrate_end); > } > > #ifdef CONFIG_DEBUG_VM > @@ -481,8 +481,8 @@ static int page_outside_zone_boundaries(struct zone *zone, struct page *page) > > if (ret) > pr_err("page 0x%lx outside node %d zone %s [ 0x%lx - 0x%lx ]\n", > - pfn, zone_to_nid(zone), zone->name, > - start_pfn, start_pfn + sp); > + pfn, zone_to_nid(zone), zone->name, > + start_pfn, start_pfn + sp); > > return ret; > } > @@ -516,7 +516,7 @@ static inline int bad_range(struct zone *zone, struct page *page) > #endif > > static void bad_page(struct page *page, const char *reason, > - unsigned long bad_flags) > + unsigned long bad_flags) > { > static unsigned long resume; > static unsigned long nr_shown; > @@ -533,7 +533,7 @@ static void bad_page(struct page *page, const char *reason, > } > if (nr_unshown) { > pr_alert( > - "BUG: Bad page state: %lu messages suppressed\n", > + "BUG: Bad page state: %lu messages suppressed\n", > nr_unshown); > nr_unshown = 0; > } > @@ -543,12 +543,12 @@ static void bad_page(struct page *page, const char *reason, > resume = jiffies + 60 * HZ; > > pr_alert("BUG: Bad page state in process %s pfn:%05lx\n", > - current->comm, page_to_pfn(page)); > + current->comm, page_to_pfn(page)); > __dump_page(page, reason); > bad_flags &= page->flags; > if (bad_flags) > pr_alert("bad because of flags: %#lx(%pGp)\n", > - bad_flags, &bad_flags); > + bad_flags, &bad_flags); > dump_page_owner(page); > > print_modules(); > @@ -599,7 +599,7 @@ void prep_compound_page(struct page *page, unsigned int order) > #ifdef CONFIG_DEBUG_PAGEALLOC > unsigned int _debug_guardpage_minorder; > bool _debug_pagealloc_enabled __read_mostly > - = IS_ENABLED(CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT); > += IS_ENABLED(CONFIG_DEBUG_PAGEALLOC_ENABLE_DEFAULT); > EXPORT_SYMBOL(_debug_pagealloc_enabled); > bool _debug_guardpage_enabled __read_mostly; > > @@ -654,7 +654,7 @@ static int __init debug_guardpage_minorder_setup(char *buf) > early_param("debug_guardpage_minorder", debug_guardpage_minorder_setup); > > static inline bool set_page_guard(struct zone *zone, struct page *page, > - unsigned int order, int migratetype) > + unsigned int order, int migratetype) > { > struct page_ext *page_ext; > > @@ -679,7 +679,7 @@ static inline bool set_page_guard(struct zone *zone, struct page *page, > } > > static inline void clear_page_guard(struct zone *zone, struct page *page, > - unsigned int order, int migratetype) > + unsigned int order, int migratetype) > { > struct page_ext *page_ext; > > @@ -699,9 +699,9 @@ static inline void clear_page_guard(struct zone *zone, struct page *page, > #else > struct page_ext_operations debug_guardpage_ops; > static inline bool set_page_guard(struct zone *zone, struct page *page, > - unsigned int order, int migratetype) { return false; } > + unsigned int order, int migratetype) { return false; } > static inline void clear_page_guard(struct zone *zone, struct page *page, > - unsigned int order, int migratetype) {} > + unsigned int order, int migratetype) {} > #endif > > static inline void set_page_order(struct page *page, unsigned int order) > @@ -732,7 +732,7 @@ static inline void rmv_page_order(struct page *page) > * For recording page's order, we use page_private(page). > */ > static inline int page_is_buddy(struct page *page, struct page *buddy, > - unsigned int order) > + unsigned int order) > { > if (page_is_guard(buddy) && page_order(buddy) == order) { > if (page_zone_id(page) != page_zone_id(buddy)) > @@ -785,9 +785,9 @@ static inline int page_is_buddy(struct page *page, struct page *buddy, > */ > > static inline void __free_one_page(struct page *page, > - unsigned long pfn, > - struct zone *zone, unsigned int order, > - int migratetype) > + unsigned long pfn, > + struct zone *zone, unsigned int order, > + int migratetype) > { > unsigned long combined_pfn; > unsigned long uninitialized_var(buddy_pfn); > @@ -848,8 +848,8 @@ static inline void __free_one_page(struct page *page, > buddy_mt = get_pageblock_migratetype(buddy); > > if (migratetype != buddy_mt > - && (is_migrate_isolate(migratetype) || > - is_migrate_isolate(buddy_mt))) > + && (is_migrate_isolate(migratetype) || > + is_migrate_isolate(buddy_mt))) > goto done_merging; > } > max_order++; > @@ -876,7 +876,7 @@ static inline void __free_one_page(struct page *page, > if (pfn_valid_within(buddy_pfn) && > page_is_buddy(higher_page, higher_buddy, order + 1)) { > list_add_tail(&page->lru, > - &zone->free_area[order].free_list[migratetype]); > + &zone->free_area[order].free_list[migratetype]); > goto out; > } > } > @@ -892,17 +892,17 @@ static inline void __free_one_page(struct page *page, > * check if necessary. > */ > static inline bool page_expected_state(struct page *page, > - unsigned long check_flags) > + unsigned long check_flags) > { > if (unlikely(atomic_read(&page->_mapcount) != -1)) > return false; > > if (unlikely((unsigned long)page->mapping | > - page_ref_count(page) | > + page_ref_count(page) | > #ifdef CONFIG_MEMCG > - (unsigned long)page->mem_cgroup | > + (unsigned long)page->mem_cgroup | > #endif > - (page->flags & check_flags))) > + (page->flags & check_flags))) > return false; > > return true; > @@ -994,7 +994,7 @@ static int free_tail_pages_check(struct page *head_page, struct page *page) > } > > static __always_inline bool free_pages_prepare(struct page *page, > - unsigned int order, bool check_free) > + unsigned int order, bool check_free) > { > int bad = 0; > > @@ -1042,7 +1042,7 @@ static __always_inline bool free_pages_prepare(struct page *page, > debug_check_no_locks_freed(page_address(page), > PAGE_SIZE << order); > debug_check_no_obj_freed(page_address(page), > - PAGE_SIZE << order); > + PAGE_SIZE << order); > } > arch_free_page(page, order); > kernel_poison_pages(page, 1 << order, 0); > @@ -1086,7 +1086,7 @@ static bool bulkfree_pcp_prepare(struct page *page) > * pinned" detection logic. > */ > static void free_pcppages_bulk(struct zone *zone, int count, > - struct per_cpu_pages *pcp) > + struct per_cpu_pages *pcp) > { > int migratetype = 0; > int batch_free = 0; > @@ -1142,16 +1142,16 @@ static void free_pcppages_bulk(struct zone *zone, int count, > } > > static void free_one_page(struct zone *zone, > - struct page *page, unsigned long pfn, > - unsigned int order, > - int migratetype) > + struct page *page, unsigned long pfn, > + unsigned int order, > + int migratetype) > { > unsigned long flags; > > spin_lock_irqsave(&zone->lock, flags); > __count_vm_events(PGFREE, 1 << order); > if (unlikely(has_isolate_pageblock(zone) || > - is_migrate_isolate(migratetype))) { > + is_migrate_isolate(migratetype))) { > migratetype = get_pfnblock_migratetype(page, pfn); > } > __free_one_page(page, pfn, zone, order, migratetype); > @@ -1159,7 +1159,7 @@ static void free_one_page(struct zone *zone, > } > > static void __meminit __init_single_page(struct page *page, unsigned long pfn, > - unsigned long zone, int nid) > + unsigned long zone, int nid) > { > set_page_links(page, zone, nid, pfn); > init_page_count(page); > @@ -1263,7 +1263,7 @@ static void __init __free_pages_boot_core(struct page *page, unsigned int order) > __free_pages(page, order); > } > > -#if defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) || \ > +#if defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) || \ > defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) > > static struct mminit_pfnnid_cache early_pfnnid_cache __meminitdata; > @@ -1285,7 +1285,7 @@ int __meminit early_pfn_to_nid(unsigned long pfn) > > #ifdef CONFIG_NODES_SPAN_OTHER_NODES > static inline bool __meminit meminit_pfn_in_nid(unsigned long pfn, int node, > - struct mminit_pfnnid_cache *state) > + struct mminit_pfnnid_cache *state) > { > int nid; > > @@ -1308,7 +1308,7 @@ static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node) > return true; > } > static inline bool __meminit meminit_pfn_in_nid(unsigned long pfn, int node, > - struct mminit_pfnnid_cache *state) > + struct mminit_pfnnid_cache *state) > { > return true; > } > @@ -1316,7 +1316,7 @@ static inline bool __meminit meminit_pfn_in_nid(unsigned long pfn, int node, > > > void __init __free_pages_bootmem(struct page *page, unsigned long pfn, > - unsigned int order) > + unsigned int order) > { > if (early_page_uninitialised(pfn)) > return; > @@ -1373,8 +1373,8 @@ void set_zone_contiguous(struct zone *zone) > > block_end_pfn = ALIGN(block_start_pfn + 1, pageblock_nr_pages); > for (; block_start_pfn < zone_end_pfn(zone); > - block_start_pfn = block_end_pfn, > - block_end_pfn += pageblock_nr_pages) { > + block_start_pfn = block_end_pfn, > + block_end_pfn += pageblock_nr_pages) { > > block_end_pfn = min(block_end_pfn, zone_end_pfn(zone)); > > @@ -1394,7 +1394,7 @@ void clear_zone_contiguous(struct zone *zone) > > #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT > static void __init deferred_free_range(struct page *page, > - unsigned long pfn, int nr_pages) > + unsigned long pfn, int nr_pages) > { > int i; > > @@ -1501,7 +1501,7 @@ static int __init deferred_init_memmap(void *data) > } else { > nr_pages += nr_to_free; > deferred_free_range(free_base_page, > - free_base_pfn, nr_to_free); > + free_base_pfn, nr_to_free); > free_base_page = NULL; > free_base_pfn = nr_to_free = 0; > > @@ -1524,11 +1524,11 @@ static int __init deferred_init_memmap(void *data) > > /* Where possible, batch up pages for a single free */ > continue; > -free_range: > + free_range: > /* Free the current block of pages to allocator */ > nr_pages += nr_to_free; > deferred_free_range(free_base_page, free_base_pfn, > - nr_to_free); > + nr_to_free); > free_base_page = NULL; > free_base_pfn = nr_to_free = 0; > } > @@ -1543,7 +1543,7 @@ static int __init deferred_init_memmap(void *data) > WARN_ON(++zid < MAX_NR_ZONES && populated_zone(++zone)); > > pr_info("node %d initialised, %lu pages in %ums\n", nid, nr_pages, > - jiffies_to_msecs(jiffies - start)); > + jiffies_to_msecs(jiffies - start)); > > pgdat_init_report_one_done(); > return 0; > @@ -1620,8 +1620,8 @@ void __init init_cma_reserved_pageblock(struct page *page) > * -- nyc > */ > static inline void expand(struct zone *zone, struct page *page, > - int low, int high, struct free_area *area, > - int migratetype) > + int low, int high, struct free_area *area, > + int migratetype) > { > unsigned long size = 1 << high; > > @@ -1681,7 +1681,7 @@ static void check_new_page_bad(struct page *page) > static inline int check_new_page(struct page *page) > { > if (likely(page_expected_state(page, > - PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON))) > + PAGE_FLAGS_CHECK_AT_PREP | __PG_HWPOISON))) > return 0; > > check_new_page_bad(page); > @@ -1729,7 +1729,7 @@ static bool check_new_pages(struct page *page, unsigned int order) > } > > inline void post_alloc_hook(struct page *page, unsigned int order, > - gfp_t gfp_flags) > + gfp_t gfp_flags) > { > set_page_private(page, 0); > set_page_refcounted(page); > @@ -1742,7 +1742,7 @@ inline void post_alloc_hook(struct page *page, unsigned int order, > } > > static void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, > - unsigned int alloc_flags) > + unsigned int alloc_flags) > { > int i; > bool poisoned = true; > @@ -1780,7 +1780,7 @@ static void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags > */ > static inline > struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, > - int migratetype) > + int migratetype) > { > unsigned int current_order; > struct free_area *area; > @@ -1790,7 +1790,7 @@ struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, > for (current_order = order; current_order < MAX_ORDER; ++current_order) { > area = &(zone->free_area[current_order]); > page = list_first_entry_or_null(&area->free_list[migratetype], > - struct page, lru); > + struct page, lru); > if (!page) > continue; > list_del(&page->lru); > @@ -1823,13 +1823,13 @@ static int fallbacks[MIGRATE_TYPES][4] = { > > #ifdef CONFIG_CMA > static struct page *__rmqueue_cma_fallback(struct zone *zone, > - unsigned int order) > + unsigned int order) > { > return __rmqueue_smallest(zone, order, MIGRATE_CMA); > } > #else > static inline struct page *__rmqueue_cma_fallback(struct zone *zone, > - unsigned int order) { return NULL; } > + unsigned int order) { return NULL; } > #endif > > /* > @@ -1875,7 +1875,7 @@ static int move_freepages(struct zone *zone, > * isolating, as that would be expensive. > */ > if (num_movable && > - (PageLRU(page) || __PageMovable(page))) > + (PageLRU(page) || __PageMovable(page))) > (*num_movable)++; > > page++; > @@ -1893,7 +1893,7 @@ static int move_freepages(struct zone *zone, > } > > int move_freepages_block(struct zone *zone, struct page *page, > - int migratetype, int *num_movable) > + int migratetype, int *num_movable) > { > unsigned long start_pfn, end_pfn; > struct page *start_page, *end_page; > @@ -1911,11 +1911,11 @@ int move_freepages_block(struct zone *zone, struct page *page, > return 0; > > return move_freepages(zone, start_page, end_page, migratetype, > - num_movable); > + num_movable); > } > > static void change_pageblock_range(struct page *pageblock_page, > - int start_order, int migratetype) > + int start_order, int migratetype) > { > int nr_pageblocks = 1 << (start_order - pageblock_order); > > @@ -1950,9 +1950,9 @@ static bool can_steal_fallback(unsigned int order, int start_mt) > return true; > > if (order >= pageblock_order / 2 || > - start_mt == MIGRATE_RECLAIMABLE || > - start_mt == MIGRATE_UNMOVABLE || > - page_group_by_mobility_disabled) > + start_mt == MIGRATE_RECLAIMABLE || > + start_mt == MIGRATE_UNMOVABLE || > + page_group_by_mobility_disabled) > return true; > > return false; > @@ -1967,7 +1967,7 @@ static bool can_steal_fallback(unsigned int order, int start_mt) > * itself, so pages freed in the future will be put on the correct free list. > */ > static void steal_suitable_fallback(struct zone *zone, struct page *page, > - int start_type, bool whole_block) > + int start_type, bool whole_block) > { > unsigned int current_order = page_order(page); > struct free_area *area; > @@ -1994,7 +1994,7 @@ static void steal_suitable_fallback(struct zone *zone, struct page *page, > goto single_page; > > free_pages = move_freepages_block(zone, page, start_type, > - &movable_pages); > + &movable_pages); > /* > * Determine how many pages are compatible with our allocation. > * For movable allocation, it's the number of movable pages which > @@ -2012,7 +2012,7 @@ static void steal_suitable_fallback(struct zone *zone, struct page *page, > */ > if (old_block_type == MIGRATE_MOVABLE) > alike_pages = pageblock_nr_pages > - - (free_pages + movable_pages); > + - (free_pages + movable_pages); > else > alike_pages = 0; > } > @@ -2022,7 +2022,7 @@ static void steal_suitable_fallback(struct zone *zone, struct page *page, > * comparable migratability as our allocation, claim the whole block. > */ > if (free_pages + alike_pages >= (1 << (pageblock_order - 1)) || > - page_group_by_mobility_disabled) > + page_group_by_mobility_disabled) > set_pageblock_migratetype(page, start_type); > > return; > @@ -2039,7 +2039,7 @@ static void steal_suitable_fallback(struct zone *zone, struct page *page, > * fragmentation due to mixed migratetype pages in one pageblock. > */ > int find_suitable_fallback(struct free_area *area, unsigned int order, > - int migratetype, bool only_stealable, bool *can_steal) > + int migratetype, bool only_stealable, bool *can_steal) > { > int i; > int fallback_mt; > @@ -2074,7 +2074,7 @@ int find_suitable_fallback(struct free_area *area, unsigned int order, > * there are no empty page blocks that contain a page with a suitable order > */ > static void reserve_highatomic_pageblock(struct page *page, struct zone *zone, > - unsigned int alloc_order) > + unsigned int alloc_order) > { > int mt; > unsigned long max_managed, flags; > @@ -2116,7 +2116,7 @@ static void reserve_highatomic_pageblock(struct page *page, struct zone *zone, > * pageblock is exhausted. > */ > static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, > - bool force) > + bool force) > { > struct zonelist *zonelist = ac->zonelist; > unsigned long flags; > @@ -2127,13 +2127,13 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, > bool ret; > > for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx, > - ac->nodemask) { > + ac->nodemask) { > /* > * Preserve at least one pageblock unless memory pressure > * is really high. > */ > if (!force && zone->nr_reserved_highatomic <= > - pageblock_nr_pages) > + pageblock_nr_pages) > continue; > > spin_lock_irqsave(&zone->lock, flags); > @@ -2141,8 +2141,8 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, > struct free_area *area = &(zone->free_area[order]); > > page = list_first_entry_or_null( > - &area->free_list[MIGRATE_HIGHATOMIC], > - struct page, lru); > + &area->free_list[MIGRATE_HIGHATOMIC], > + struct page, lru); > if (!page) > continue; > > @@ -2162,8 +2162,8 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, > * underflows. > */ > zone->nr_reserved_highatomic -= min( > - pageblock_nr_pages, > - zone->nr_reserved_highatomic); > + pageblock_nr_pages, > + zone->nr_reserved_highatomic); > } > > /* > @@ -2177,7 +2177,7 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac, > */ > set_pageblock_migratetype(page, ac->migratetype); > ret = move_freepages_block(zone, page, ac->migratetype, > - NULL); > + NULL); > if (ret) { > spin_unlock_irqrestore(&zone->lock, flags); > return ret; > @@ -2206,22 +2206,22 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype) > > /* Find the largest possible block of pages in the other list */ > for (current_order = MAX_ORDER - 1; > - current_order >= order && current_order <= MAX_ORDER - 1; > - --current_order) { > + current_order >= order && current_order <= MAX_ORDER - 1; > + --current_order) { > area = &(zone->free_area[current_order]); > fallback_mt = find_suitable_fallback(area, current_order, > - start_migratetype, false, &can_steal); > + start_migratetype, false, &can_steal); > if (fallback_mt == -1) > continue; > > page = list_first_entry(&area->free_list[fallback_mt], > - struct page, lru); > + struct page, lru); > > steal_suitable_fallback(zone, page, start_migratetype, > - can_steal); > + can_steal); > > trace_mm_page_alloc_extfrag(page, order, current_order, > - start_migratetype, fallback_mt); > + start_migratetype, fallback_mt); > > return true; > } > @@ -2234,7 +2234,7 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype) > * Call me with the zone->lock already held. > */ > static struct page *__rmqueue(struct zone *zone, unsigned int order, > - int migratetype) > + int migratetype) > { > struct page *page; > > @@ -2508,7 +2508,7 @@ void mark_free_pages(struct zone *zone) > > for_each_migratetype_order(order, t) { > list_for_each_entry(page, > - &zone->free_area[order].free_list[t], lru) { > + &zone->free_area[order].free_list[t], lru) { > unsigned long i; > > pfn = page_to_pfn(page); > @@ -2692,8 +2692,8 @@ static inline void zone_statistics(struct zone *preferred_zone, struct zone *z) > > /* Remove page from the per-cpu list, caller must protect the list */ > static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype, > - bool cold, struct per_cpu_pages *pcp, > - struct list_head *list) > + bool cold, struct per_cpu_pages *pcp, > + struct list_head *list) > { > struct page *page; > > @@ -2702,8 +2702,8 @@ static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype, > do { > if (list_empty(list)) { > pcp->count += rmqueue_bulk(zone, 0, > - pcp->batch, list, > - migratetype, cold); > + pcp->batch, list, > + migratetype, cold); > if (unlikely(list_empty(list))) > return NULL; > } > @@ -2722,8 +2722,8 @@ static struct page *__rmqueue_pcplist(struct zone *zone, int migratetype, > > /* Lock and remove page from the per-cpu list */ > static struct page *rmqueue_pcplist(struct zone *preferred_zone, > - struct zone *zone, unsigned int order, > - gfp_t gfp_flags, int migratetype) > + struct zone *zone, unsigned int order, > + gfp_t gfp_flags, int migratetype) > { > struct per_cpu_pages *pcp; > struct list_head *list; > @@ -2747,16 +2747,16 @@ static struct page *rmqueue_pcplist(struct zone *preferred_zone, > */ > static inline > struct page *rmqueue(struct zone *preferred_zone, > - struct zone *zone, unsigned int order, > - gfp_t gfp_flags, unsigned int alloc_flags, > - int migratetype) > + struct zone *zone, unsigned int order, > + gfp_t gfp_flags, unsigned int alloc_flags, > + int migratetype) > { > unsigned long flags; > struct page *page; > > if (likely(order == 0) && !in_interrupt()) { > page = rmqueue_pcplist(preferred_zone, zone, order, > - gfp_flags, migratetype); > + gfp_flags, migratetype); > goto out; > } > > @@ -2826,7 +2826,7 @@ static bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) > if (fail_page_alloc.ignore_gfp_highmem && (gfp_mask & __GFP_HIGHMEM)) > return false; > if (fail_page_alloc.ignore_gfp_reclaim && > - (gfp_mask & __GFP_DIRECT_RECLAIM)) > + (gfp_mask & __GFP_DIRECT_RECLAIM)) > return false; > > return should_fail(&fail_page_alloc.attr, 1 << order); > @@ -2845,10 +2845,10 @@ static int __init fail_page_alloc_debugfs(void) > return PTR_ERR(dir); > > if (!debugfs_create_bool("ignore-gfp-wait", mode, dir, > - &fail_page_alloc.ignore_gfp_reclaim)) > + &fail_page_alloc.ignore_gfp_reclaim)) > goto fail; > if (!debugfs_create_bool("ignore-gfp-highmem", mode, dir, > - &fail_page_alloc.ignore_gfp_highmem)) > + &fail_page_alloc.ignore_gfp_highmem)) > goto fail; > if (!debugfs_create_u32("min-order", mode, dir, > &fail_page_alloc.min_order)) > @@ -2949,14 +2949,14 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, > } > > bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, > - int classzone_idx, unsigned int alloc_flags) > + int classzone_idx, unsigned int alloc_flags) > { > return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags, > - zone_page_state(z, NR_FREE_PAGES)); > + zone_page_state(z, NR_FREE_PAGES)); > } > > static inline bool zone_watermark_fast(struct zone *z, unsigned int order, > - unsigned long mark, int classzone_idx, unsigned int alloc_flags) > + unsigned long mark, int classzone_idx, unsigned int alloc_flags) > { > long free_pages = zone_page_state(z, NR_FREE_PAGES); > long cma_pages = 0; > @@ -2978,11 +2978,11 @@ static inline bool zone_watermark_fast(struct zone *z, unsigned int order, > return true; > > return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags, > - free_pages); > + free_pages); > } > > bool zone_watermark_ok_safe(struct zone *z, unsigned int order, > - unsigned long mark, int classzone_idx) > + unsigned long mark, int classzone_idx) > { > long free_pages = zone_page_state(z, NR_FREE_PAGES); > > @@ -2990,14 +2990,14 @@ bool zone_watermark_ok_safe(struct zone *z, unsigned int order, > free_pages = zone_page_state_snapshot(z, NR_FREE_PAGES); > > return __zone_watermark_ok(z, order, mark, classzone_idx, 0, > - free_pages); > + free_pages); > } > > #ifdef CONFIG_NUMA > static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone) > { > return node_distance(zone_to_nid(local_zone), zone_to_nid(zone)) <= > - RECLAIM_DISTANCE; > + RECLAIM_DISTANCE; > } > #else /* CONFIG_NUMA */ > static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone) > @@ -3012,7 +3012,7 @@ static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone) > */ > static struct page * > get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, > - const struct alloc_context *ac) > + const struct alloc_context *ac) > { > struct zoneref *z = ac->preferred_zoneref; > struct zone *zone; > @@ -3023,14 +3023,14 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, > * See also __cpuset_node_allowed() comment in kernel/cpuset.c. > */ > for_next_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx, > - ac->nodemask) { > + ac->nodemask) { > struct page *page; > unsigned long mark; > > if (cpusets_enabled() && > - (alloc_flags & ALLOC_CPUSET) && > - !__cpuset_zone_allowed(zone, gfp_mask)) > - continue; > + (alloc_flags & ALLOC_CPUSET) && > + !__cpuset_zone_allowed(zone, gfp_mask)) > + continue; > /* > * When allocating a page cache page for writing, we > * want to get it from a node that is within its dirty > @@ -3062,7 +3062,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, > > mark = zone->watermark[alloc_flags & ALLOC_WMARK_MASK]; > if (!zone_watermark_fast(zone, order, mark, > - ac_classzone_idx(ac), alloc_flags)) { > + ac_classzone_idx(ac), alloc_flags)) { > int ret; > > /* Checked here to keep the fast path fast */ > @@ -3085,16 +3085,16 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, > default: > /* did we reclaim enough */ > if (zone_watermark_ok(zone, order, mark, > - ac_classzone_idx(ac), alloc_flags)) > + ac_classzone_idx(ac), alloc_flags)) > goto try_this_zone; > > continue; > } > } > > -try_this_zone: > + try_this_zone: > page = rmqueue(ac->preferred_zoneref->zone, zone, order, > - gfp_mask, alloc_flags, ac->migratetype); > + gfp_mask, alloc_flags, ac->migratetype); > if (page) { > prep_new_page(page, order, gfp_mask, alloc_flags); > > @@ -3188,21 +3188,21 @@ __alloc_pages_cpuset_fallback(gfp_t gfp_mask, unsigned int order, > struct page *page; > > page = get_page_from_freelist(gfp_mask, order, > - alloc_flags | ALLOC_CPUSET, ac); > + alloc_flags | ALLOC_CPUSET, ac); > /* > * fallback to ignore cpuset restriction if our nodes > * are depleted > */ > if (!page) > page = get_page_from_freelist(gfp_mask, order, > - alloc_flags, ac); > + alloc_flags, ac); > > return page; > } > > static inline struct page * > __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, > - const struct alloc_context *ac, unsigned long *did_some_progress) > + const struct alloc_context *ac, unsigned long *did_some_progress) > { > struct oom_control oc = { > .zonelist = ac->zonelist, > @@ -3231,7 +3231,7 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, > * we're still under heavy pressure. > */ > page = get_page_from_freelist(gfp_mask | __GFP_HARDWALL, order, > - ALLOC_WMARK_HIGH | ALLOC_CPUSET, ac); > + ALLOC_WMARK_HIGH | ALLOC_CPUSET, ac); > if (page) > goto out; > > @@ -3270,7 +3270,7 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, > */ > if (gfp_mask & __GFP_NOFAIL) > page = __alloc_pages_cpuset_fallback(gfp_mask, order, > - ALLOC_NO_WATERMARKS, ac); > + ALLOC_NO_WATERMARKS, ac); > } > out: > mutex_unlock(&oom_lock); > @@ -3287,8 +3287,8 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, > /* Try memory compaction for high-order allocations before reclaim */ > static struct page * > __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, > - unsigned int alloc_flags, const struct alloc_context *ac, > - enum compact_priority prio, enum compact_result *compact_result) > + unsigned int alloc_flags, const struct alloc_context *ac, > + enum compact_priority prio, enum compact_result *compact_result) > { > struct page *page; > > @@ -3297,7 +3297,7 @@ __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, > > current->flags |= PF_MEMALLOC; > *compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac, > - prio); > + prio); > current->flags &= ~PF_MEMALLOC; > > if (*compact_result <= COMPACT_INACTIVE) > @@ -3389,7 +3389,7 @@ should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, > */ > check_priority: > min_priority = (order > PAGE_ALLOC_COSTLY_ORDER) ? > - MIN_COMPACT_COSTLY_PRIORITY : MIN_COMPACT_PRIORITY; > + MIN_COMPACT_COSTLY_PRIORITY : MIN_COMPACT_PRIORITY; > > if (*compact_priority > min_priority) { > (*compact_priority)--; > @@ -3403,8 +3403,8 @@ should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, > #else > static inline struct page * > __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, > - unsigned int alloc_flags, const struct alloc_context *ac, > - enum compact_priority prio, enum compact_result *compact_result) > + unsigned int alloc_flags, const struct alloc_context *ac, > + enum compact_priority prio, enum compact_result *compact_result) > { > *compact_result = COMPACT_SKIPPED; > return NULL; > @@ -3431,7 +3431,7 @@ should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_fla > for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx, > ac->nodemask) { > if (zone_watermark_ok(zone, 0, min_wmark_pages(zone), > - ac_classzone_idx(ac), alloc_flags)) > + ac_classzone_idx(ac), alloc_flags)) > return true; > } > return false; > @@ -3441,7 +3441,7 @@ should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_fla > /* Perform direct synchronous page reclaim */ > static int > __perform_reclaim(gfp_t gfp_mask, unsigned int order, > - const struct alloc_context *ac) > + const struct alloc_context *ac) > { > struct reclaim_state reclaim_state; > int progress; > @@ -3456,7 +3456,7 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order, > current->reclaim_state = &reclaim_state; > > progress = try_to_free_pages(ac->zonelist, order, gfp_mask, > - ac->nodemask); > + ac->nodemask); > > current->reclaim_state = NULL; > lockdep_clear_current_reclaim_state(); > @@ -3470,8 +3470,8 @@ __perform_reclaim(gfp_t gfp_mask, unsigned int order, > /* The really slow allocator path where we enter direct reclaim */ > static inline struct page * > __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order, > - unsigned int alloc_flags, const struct alloc_context *ac, > - unsigned long *did_some_progress) > + unsigned int alloc_flags, const struct alloc_context *ac, > + unsigned long *did_some_progress) > { > struct page *page = NULL; > bool drained = false; > @@ -3560,8 +3560,8 @@ bool gfp_pfmemalloc_allowed(gfp_t gfp_mask) > if (in_serving_softirq() && (current->flags & PF_MEMALLOC)) > return true; > if (!in_interrupt() && > - ((current->flags & PF_MEMALLOC) || > - unlikely(test_thread_flag(TIF_MEMDIE)))) > + ((current->flags & PF_MEMALLOC) || > + unlikely(test_thread_flag(TIF_MEMDIE)))) > return true; > > return false; > @@ -3625,9 +3625,9 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order, > * reclaimable pages? > */ > wmark = __zone_watermark_ok(zone, order, min_wmark, > - ac_classzone_idx(ac), alloc_flags, available); > + ac_classzone_idx(ac), alloc_flags, available); > trace_reclaim_retry_zone(z, order, reclaimable, > - available, min_wmark, *no_progress_loops, wmark); > + available, min_wmark, *no_progress_loops, wmark); > if (wmark) { > /* > * If we didn't make any progress and have a lot of > @@ -3639,7 +3639,7 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order, > unsigned long write_pending; > > write_pending = zone_page_state_snapshot(zone, > - NR_ZONE_WRITE_PENDING); > + NR_ZONE_WRITE_PENDING); > > if (2 * write_pending > reclaimable) { > congestion_wait(BLK_RW_ASYNC, HZ / 10); > @@ -3670,7 +3670,7 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order, > > static inline struct page * > __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > - struct alloc_context *ac) > + struct alloc_context *ac) > { > bool can_direct_reclaim = gfp_mask & __GFP_DIRECT_RECLAIM; > const bool costly_order = order > PAGE_ALLOC_COSTLY_ORDER; > @@ -3701,7 +3701,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > * callers that are not in atomic context. > */ > if (WARN_ON_ONCE((gfp_mask & (__GFP_ATOMIC | __GFP_DIRECT_RECLAIM)) == > - (__GFP_ATOMIC | __GFP_DIRECT_RECLAIM))) > + (__GFP_ATOMIC | __GFP_DIRECT_RECLAIM))) > gfp_mask &= ~__GFP_ATOMIC; > > retry_cpuset: > @@ -3724,7 +3724,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > * could end up iterating over non-eligible zones endlessly. > */ > ac->preferred_zoneref = first_zones_zonelist(ac->zonelist, > - ac->high_zoneidx, ac->nodemask); > + ac->high_zoneidx, ac->nodemask); > if (!ac->preferred_zoneref->zone) > goto nopage; > > @@ -3749,13 +3749,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > * watermarks, as the ALLOC_NO_WATERMARKS attempt didn't yet happen. > */ > if (can_direct_reclaim && > - (costly_order || > - (order > 0 && ac->migratetype != MIGRATE_MOVABLE)) > - && !gfp_pfmemalloc_allowed(gfp_mask)) { > + (costly_order || > + (order > 0 && ac->migratetype != MIGRATE_MOVABLE)) > + && !gfp_pfmemalloc_allowed(gfp_mask)) { > page = __alloc_pages_direct_compact(gfp_mask, order, > - alloc_flags, ac, > - INIT_COMPACT_PRIORITY, > - &compact_result); > + alloc_flags, ac, > + INIT_COMPACT_PRIORITY, > + &compact_result); > if (page) > goto got_pg; > > @@ -3800,7 +3800,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > if (!(alloc_flags & ALLOC_CPUSET) || (alloc_flags & ALLOC_NO_WATERMARKS)) { > ac->zonelist = node_zonelist(numa_node_id(), gfp_mask); > ac->preferred_zoneref = first_zones_zonelist(ac->zonelist, > - ac->high_zoneidx, ac->nodemask); > + ac->high_zoneidx, ac->nodemask); > } > > /* Attempt with potentially adjusted zonelist and alloc_flags */ > @@ -3815,8 +3815,8 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > /* Make sure we know about allocations which stall for too long */ > if (time_after(jiffies, alloc_start + stall_timeout)) { > warn_alloc(gfp_mask & ~__GFP_NOWARN, ac->nodemask, > - "page allocation stalls for %ums, order:%u", > - jiffies_to_msecs(jiffies - alloc_start), order); > + "page allocation stalls for %ums, order:%u", > + jiffies_to_msecs(jiffies - alloc_start), order); > stall_timeout += 10 * HZ; > } > > @@ -3826,13 +3826,13 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > > /* Try direct reclaim and then allocating */ > page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac, > - &did_some_progress); > + &did_some_progress); > if (page) > goto got_pg; > > /* Try direct compaction and then allocating */ > page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, > - compact_priority, &compact_result); > + compact_priority, &compact_result); > if (page) > goto got_pg; > > @@ -3858,9 +3858,9 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > * of free memory (see __compaction_suitable) > */ > if (did_some_progress > 0 && > - should_compact_retry(ac, order, alloc_flags, > - compact_result, &compact_priority, > - &compaction_retries)) > + should_compact_retry(ac, order, alloc_flags, > + compact_result, &compact_priority, > + &compaction_retries)) > goto retry; > > /* > @@ -3938,15 +3938,15 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, > } > fail: > warn_alloc(gfp_mask, ac->nodemask, > - "page allocation failure: order:%u", order); > + "page allocation failure: order:%u", order); > got_pg: > return page; > } > > static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order, > - struct zonelist *zonelist, nodemask_t *nodemask, > - struct alloc_context *ac, gfp_t *alloc_mask, > - unsigned int *alloc_flags) > + struct zonelist *zonelist, nodemask_t *nodemask, > + struct alloc_context *ac, gfp_t *alloc_mask, > + unsigned int *alloc_flags) > { > ac->high_zoneidx = gfp_zone(gfp_mask); > ac->zonelist = zonelist; > @@ -3976,7 +3976,7 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order, > > /* Determine whether to spread dirty pages and what the first usable zone */ > static inline void finalise_ac(gfp_t gfp_mask, > - unsigned int order, struct alloc_context *ac) > + unsigned int order, struct alloc_context *ac) > { > /* Dirty zone balancing only done in the fast path */ > ac->spread_dirty_pages = (gfp_mask & __GFP_WRITE); > @@ -3987,7 +3987,7 @@ static inline void finalise_ac(gfp_t gfp_mask, > * may get reset for allocations that ignore memory policies. > */ > ac->preferred_zoneref = first_zones_zonelist(ac->zonelist, > - ac->high_zoneidx, ac->nodemask); > + ac->high_zoneidx, ac->nodemask); > } > > /* > @@ -3995,7 +3995,7 @@ static inline void finalise_ac(gfp_t gfp_mask, > */ > struct page * > __alloc_pages_nodemask(gfp_t gfp_mask, unsigned int order, > - struct zonelist *zonelist, nodemask_t *nodemask) > + struct zonelist *zonelist, nodemask_t *nodemask) > { > struct page *page; > unsigned int alloc_flags = ALLOC_WMARK_LOW; > @@ -4114,7 +4114,7 @@ static struct page *__page_frag_cache_refill(struct page_frag_cache *nc, > > #if (PAGE_SIZE < PAGE_FRAG_CACHE_MAX_SIZE) > gfp_mask |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY | > - __GFP_NOMEMALLOC; > + __GFP_NOMEMALLOC; > page = alloc_pages_node(NUMA_NO_NODE, gfp_mask, > PAGE_FRAG_CACHE_MAX_ORDER); > nc->size = page ? PAGE_FRAG_CACHE_MAX_SIZE : PAGE_SIZE; > @@ -4150,7 +4150,7 @@ void *page_frag_alloc(struct page_frag_cache *nc, > int offset; > > if (unlikely(!nc->va)) { > -refill: > + refill: > page = __page_frag_cache_refill(nc, gfp_mask); > if (!page) > return NULL; > @@ -4209,7 +4209,7 @@ void page_frag_free(void *addr) > EXPORT_SYMBOL(page_frag_free); > > static void *make_alloc_exact(unsigned long addr, unsigned int order, > - size_t size) > + size_t size) > { > if (addr) { > unsigned long alloc_end = addr + (PAGE_SIZE << order); > @@ -4378,7 +4378,7 @@ long si_mem_available(void) > * and cannot be freed. Cap this estimate at the low watermark. > */ > available += global_page_state(NR_SLAB_RECLAIMABLE) - > - min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low); > + min(global_page_state(NR_SLAB_RECLAIMABLE) / 2, wmark_low); > > if (available < 0) > available = 0; > @@ -4714,7 +4714,7 @@ static int build_zonelists_node(pg_data_t *pgdat, struct zonelist *zonelist, > zone = pgdat->node_zones + zone_type; > if (managed_zone(zone)) { > zoneref_set_zone(zone, > - &zonelist->_zonerefs[nr_zones++]); > + &zonelist->_zonerefs[nr_zones++]); > check_highest_zone(zone_type); > } > } while (zone_type); > @@ -4792,8 +4792,8 @@ early_param("numa_zonelist_order", setup_numa_zonelist_order); > * sysctl handler for numa_zonelist_order > */ > int numa_zonelist_order_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, > - loff_t *ppos) > + void __user *buffer, size_t *length, > + loff_t *ppos) > { > char saved_string[NUMA_ZONELIST_ORDER_LEN]; > int ret; > @@ -4952,7 +4952,7 @@ static void build_zonelists_in_zone_order(pg_data_t *pgdat, int nr_nodes) > z = &NODE_DATA(node)->node_zones[zone_type]; > if (managed_zone(z)) { > zoneref_set_zone(z, > - &zonelist->_zonerefs[pos++]); > + &zonelist->_zonerefs[pos++]); > check_highest_zone(zone_type); > } > } > @@ -5056,8 +5056,8 @@ int local_memory_node(int node) > struct zoneref *z; > > z = first_zones_zonelist(node_zonelist(node, GFP_KERNEL), > - gfp_zone(GFP_KERNEL), > - NULL); > + gfp_zone(GFP_KERNEL), > + NULL); > return z->zone->node; > } > #endif > @@ -5248,7 +5248,7 @@ void __ref build_all_zonelists(pg_data_t *pgdat, struct zone *zone) > * done. Non-atomic initialization, single-pass. > */ > void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, > - unsigned long start_pfn, enum memmap_context context) > + unsigned long start_pfn, enum memmap_context context) > { > struct vmem_altmap *altmap = to_vmem_altmap(__pfn_to_phys(start_pfn)); > unsigned long end_pfn = start_pfn + size; > @@ -5315,7 +5315,7 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, > } > #endif > > -not_early: > + not_early: > /* > * Mark the block movable so that blocks are reserved for > * movable at startup. This will force kernel allocations > @@ -5349,7 +5349,7 @@ static void __meminit zone_init_free_lists(struct zone *zone) > } > > #ifndef __HAVE_ARCH_MEMMAP_INIT > -#define memmap_init(size, nid, zone, start_pfn) \ > +#define memmap_init(size, nid, zone, start_pfn) \ > memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY) > #endif > > @@ -5417,13 +5417,13 @@ static int zone_batchsize(struct zone *zone) > * exist). > */ > static void pageset_update(struct per_cpu_pages *pcp, unsigned long high, > - unsigned long batch) > + unsigned long batch) > { > - /* start with a fail safe value for batch */ > + /* start with a fail safe value for batch */ > pcp->batch = 1; > smp_wmb(); > > - /* Update high, then batch, in order */ > + /* Update high, then batch, in order */ > pcp->high = high; > smp_wmb(); > > @@ -5460,7 +5460,7 @@ static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) > * to the value high for the pageset p. > */ > static void pageset_set_high(struct per_cpu_pageset *p, > - unsigned long high) > + unsigned long high) > { > unsigned long batch = max(1UL, high / 4); > if ((high / 4) > (PAGE_SHIFT * 8)) > @@ -5474,8 +5474,8 @@ static void pageset_set_high_and_batch(struct zone *zone, > { > if (percpu_pagelist_fraction) > pageset_set_high(pcp, > - (zone->managed_pages / > - percpu_pagelist_fraction)); > + (zone->managed_pages / > + percpu_pagelist_fraction)); > else > pageset_set_batch(pcp, zone_batchsize(zone)); > } > @@ -5510,7 +5510,7 @@ void __init setup_per_cpu_pageset(void) > > for_each_online_pgdat(pgdat) > pgdat->per_cpu_nodestats = > - alloc_percpu(struct per_cpu_nodestat); > + alloc_percpu(struct per_cpu_nodestat); > } > > static __meminit void zone_pcp_init(struct zone *zone) > @@ -5538,10 +5538,10 @@ int __meminit init_currently_empty_zone(struct zone *zone, > zone->zone_start_pfn = zone_start_pfn; > > mminit_dprintk(MMINIT_TRACE, "memmap_init", > - "Initialising map node %d zone %lu pfns %lu -> %lu\n", > - pgdat->node_id, > - (unsigned long)zone_idx(zone), > - zone_start_pfn, (zone_start_pfn + size)); > + "Initialising map node %d zone %lu pfns %lu -> %lu\n", > + pgdat->node_id, > + (unsigned long)zone_idx(zone), > + zone_start_pfn, (zone_start_pfn + size)); > > zone_init_free_lists(zone); > zone->initialized = 1; > @@ -5556,7 +5556,7 @@ int __meminit init_currently_empty_zone(struct zone *zone, > * Required by SPARSEMEM. Given a PFN, return what node the PFN is on. > */ > int __meminit __early_pfn_to_nid(unsigned long pfn, > - struct mminit_pfnnid_cache *state) > + struct mminit_pfnnid_cache *state) > { > unsigned long start_pfn, end_pfn; > int nid; > @@ -5595,8 +5595,8 @@ void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn) > > if (start_pfn < end_pfn) > memblock_free_early_nid(PFN_PHYS(start_pfn), > - (end_pfn - start_pfn) << PAGE_SHIFT, > - this_nid); > + (end_pfn - start_pfn) << PAGE_SHIFT, > + this_nid); > } > } > > @@ -5628,7 +5628,7 @@ void __init sparse_memory_present_with_active_regions(int nid) > * PFNs will be 0. > */ > void __meminit get_pfn_range_for_nid(unsigned int nid, > - unsigned long *start_pfn, unsigned long *end_pfn) > + unsigned long *start_pfn, unsigned long *end_pfn) > { > unsigned long this_start_pfn, this_end_pfn; > int i; > @@ -5658,7 +5658,7 @@ static void __init find_usable_zone_for_movable(void) > continue; > > if (arch_zone_highest_possible_pfn[zone_index] > > - arch_zone_lowest_possible_pfn[zone_index]) > + arch_zone_lowest_possible_pfn[zone_index]) > break; > } > > @@ -5677,11 +5677,11 @@ static void __init find_usable_zone_for_movable(void) > * zones within a node are in order of monotonic increases memory addresses > */ > static void __meminit adjust_zone_range_for_zone_movable(int nid, > - unsigned long zone_type, > - unsigned long node_start_pfn, > - unsigned long node_end_pfn, > - unsigned long *zone_start_pfn, > - unsigned long *zone_end_pfn) > + unsigned long zone_type, > + unsigned long node_start_pfn, > + unsigned long node_end_pfn, > + unsigned long *zone_start_pfn, > + unsigned long *zone_end_pfn) > { > /* Only adjust if ZONE_MOVABLE is on this node */ > if (zone_movable_pfn[nid]) { > @@ -5689,15 +5689,15 @@ static void __meminit adjust_zone_range_for_zone_movable(int nid, > if (zone_type == ZONE_MOVABLE) { > *zone_start_pfn = zone_movable_pfn[nid]; > *zone_end_pfn = min(node_end_pfn, > - arch_zone_highest_possible_pfn[movable_zone]); > + arch_zone_highest_possible_pfn[movable_zone]); > > - /* Adjust for ZONE_MOVABLE starting within this range */ > + /* Adjust for ZONE_MOVABLE starting within this range */ > } else if (!mirrored_kernelcore && > - *zone_start_pfn < zone_movable_pfn[nid] && > - *zone_end_pfn > zone_movable_pfn[nid]) { > + *zone_start_pfn < zone_movable_pfn[nid] && > + *zone_end_pfn > zone_movable_pfn[nid]) { > *zone_end_pfn = zone_movable_pfn[nid]; > > - /* Check if this whole range is within ZONE_MOVABLE */ > + /* Check if this whole range is within ZONE_MOVABLE */ > } else if (*zone_start_pfn >= zone_movable_pfn[nid]) > *zone_start_pfn = *zone_end_pfn; > } > @@ -5708,12 +5708,12 @@ static void __meminit adjust_zone_range_for_zone_movable(int nid, > * present_pages = zone_spanned_pages_in_node() - zone_absent_pages_in_node() > */ > static unsigned long __meminit zone_spanned_pages_in_node(int nid, > - unsigned long zone_type, > - unsigned long node_start_pfn, > - unsigned long node_end_pfn, > - unsigned long *zone_start_pfn, > - unsigned long *zone_end_pfn, > - unsigned long *ignored) > + unsigned long zone_type, > + unsigned long node_start_pfn, > + unsigned long node_end_pfn, > + unsigned long *zone_start_pfn, > + unsigned long *zone_end_pfn, > + unsigned long *ignored) > { > /* When hotadd a new node from cpu_up(), the node should be empty */ > if (!node_start_pfn && !node_end_pfn) > @@ -5723,8 +5723,8 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, > *zone_start_pfn = arch_zone_lowest_possible_pfn[zone_type]; > *zone_end_pfn = arch_zone_highest_possible_pfn[zone_type]; > adjust_zone_range_for_zone_movable(nid, zone_type, > - node_start_pfn, node_end_pfn, > - zone_start_pfn, zone_end_pfn); > + node_start_pfn, node_end_pfn, > + zone_start_pfn, zone_end_pfn); > > /* Check that this node has pages within the zone's required range */ > if (*zone_end_pfn < node_start_pfn || *zone_start_pfn > node_end_pfn) > @@ -5743,8 +5743,8 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid, > * then all holes in the requested range will be accounted for. > */ > unsigned long __meminit __absent_pages_in_range(int nid, > - unsigned long range_start_pfn, > - unsigned long range_end_pfn) > + unsigned long range_start_pfn, > + unsigned long range_end_pfn) > { > unsigned long nr_absent = range_end_pfn - range_start_pfn; > unsigned long start_pfn, end_pfn; > @@ -5766,17 +5766,17 @@ unsigned long __meminit __absent_pages_in_range(int nid, > * It returns the number of pages frames in memory holes within a range. > */ > unsigned long __init absent_pages_in_range(unsigned long start_pfn, > - unsigned long end_pfn) > + unsigned long end_pfn) > { > return __absent_pages_in_range(MAX_NUMNODES, start_pfn, end_pfn); > } > > /* Return the number of page frames in holes in a zone on a node */ > static unsigned long __meminit zone_absent_pages_in_node(int nid, > - unsigned long zone_type, > - unsigned long node_start_pfn, > - unsigned long node_end_pfn, > - unsigned long *ignored) > + unsigned long zone_type, > + unsigned long node_start_pfn, > + unsigned long node_end_pfn, > + unsigned long *ignored) > { > unsigned long zone_low = arch_zone_lowest_possible_pfn[zone_type]; > unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type]; > @@ -5791,8 +5791,8 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, > zone_end_pfn = clamp(node_end_pfn, zone_low, zone_high); > > adjust_zone_range_for_zone_movable(nid, zone_type, > - node_start_pfn, node_end_pfn, > - &zone_start_pfn, &zone_end_pfn); > + node_start_pfn, node_end_pfn, > + &zone_start_pfn, &zone_end_pfn); > > /* If this node has no page within this zone, return 0. */ > if (zone_start_pfn == zone_end_pfn) > @@ -5830,12 +5830,12 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid, > > #else /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */ > static inline unsigned long __meminit zone_spanned_pages_in_node(int nid, > - unsigned long zone_type, > - unsigned long node_start_pfn, > - unsigned long node_end_pfn, > - unsigned long *zone_start_pfn, > - unsigned long *zone_end_pfn, > - unsigned long *zones_size) > + unsigned long zone_type, > + unsigned long node_start_pfn, > + unsigned long node_end_pfn, > + unsigned long *zone_start_pfn, > + unsigned long *zone_end_pfn, > + unsigned long *zones_size) > { > unsigned int zone; > > @@ -5849,10 +5849,10 @@ static inline unsigned long __meminit zone_spanned_pages_in_node(int nid, > } > > static inline unsigned long __meminit zone_absent_pages_in_node(int nid, > - unsigned long zone_type, > - unsigned long node_start_pfn, > - unsigned long node_end_pfn, > - unsigned long *zholes_size) > + unsigned long zone_type, > + unsigned long node_start_pfn, > + unsigned long node_end_pfn, > + unsigned long *zholes_size) > { > if (!zholes_size) > return 0; > @@ -5883,8 +5883,8 @@ static void __meminit calculate_node_totalpages(struct pglist_data *pgdat, > &zone_end_pfn, > zones_size); > real_size = size - zone_absent_pages_in_node(pgdat->node_id, i, > - node_start_pfn, node_end_pfn, > - zholes_size); > + node_start_pfn, node_end_pfn, > + zholes_size); > if (size) > zone->zone_start_pfn = zone_start_pfn; > else > @@ -6143,7 +6143,7 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat) > } > > void __paginginit free_area_init_node(int nid, unsigned long *zones_size, > - unsigned long node_start_pfn, unsigned long *zholes_size) > + unsigned long node_start_pfn, unsigned long *zholes_size) > { > pg_data_t *pgdat = NODE_DATA(nid); > unsigned long start_pfn = 0; > @@ -6428,12 +6428,12 @@ static void __init find_zone_movable_pfns_for_nodes(void) > if (start_pfn < usable_startpfn) { > unsigned long kernel_pages; > kernel_pages = min(end_pfn, usable_startpfn) > - - start_pfn; > + - start_pfn; > > kernelcore_remaining -= min(kernel_pages, > - kernelcore_remaining); > + kernelcore_remaining); > required_kernelcore -= min(kernel_pages, > - required_kernelcore); > + required_kernelcore); > > /* Continue if range is now fully accounted */ > if (end_pfn <= usable_startpfn) { > @@ -6466,7 +6466,7 @@ static void __init find_zone_movable_pfns_for_nodes(void) > * satisfied > */ > required_kernelcore -= min(required_kernelcore, > - size_pages); > + size_pages); > kernelcore_remaining -= size_pages; > if (!kernelcore_remaining) > break; > @@ -6534,9 +6534,9 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) > > /* Record where the zone boundaries are */ > memset(arch_zone_lowest_possible_pfn, 0, > - sizeof(arch_zone_lowest_possible_pfn)); > + sizeof(arch_zone_lowest_possible_pfn)); > memset(arch_zone_highest_possible_pfn, 0, > - sizeof(arch_zone_highest_possible_pfn)); > + sizeof(arch_zone_highest_possible_pfn)); > > start_pfn = find_min_pfn_with_active_regions(); > > @@ -6562,14 +6562,14 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) > continue; > pr_info(" %-8s ", zone_names[i]); > if (arch_zone_lowest_possible_pfn[i] == > - arch_zone_highest_possible_pfn[i]) > + arch_zone_highest_possible_pfn[i]) > pr_cont("empty\n"); > else > pr_cont("[mem %#018Lx-%#018Lx]\n", > (u64)arch_zone_lowest_possible_pfn[i] > - << PAGE_SHIFT, > + << PAGE_SHIFT, > ((u64)arch_zone_highest_possible_pfn[i] > - << PAGE_SHIFT) - 1); > + << PAGE_SHIFT) - 1); > } > > /* Print out the PFNs ZONE_MOVABLE begins at in each node */ > @@ -6577,7 +6577,7 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) > for (i = 0; i < MAX_NUMNODES; i++) { > if (zone_movable_pfn[i]) > pr_info(" Node %d: %#018Lx\n", i, > - (u64)zone_movable_pfn[i] << PAGE_SHIFT); > + (u64)zone_movable_pfn[i] << PAGE_SHIFT); > } > > /* Print out the early node map */ > @@ -6593,7 +6593,7 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn) > for_each_online_node(nid) { > pg_data_t *pgdat = NODE_DATA(nid); > free_area_init_node(nid, NULL, > - find_min_pfn_for_node(nid), NULL); > + find_min_pfn_for_node(nid), NULL); > > /* Any memory on that node */ > if (pgdat->node_present_pages) > @@ -6711,14 +6711,14 @@ void __init mem_init_print_info(const char *str) > * please refer to arch/tile/kernel/vmlinux.lds.S. > * 3) .rodata.* may be embedded into .text or .data sections. > */ > -#define adj_init_size(start, end, size, pos, adj) \ > - do { \ > - if (start <= pos && pos < end && size > adj) \ > - size -= adj; \ > +#define adj_init_size(start, end, size, pos, adj) \ > + do { \ > + if (start <= pos && pos < end && size > adj) \ > + size -= adj; \ > } while (0) > > adj_init_size(__init_begin, __init_end, init_data_size, > - _sinittext, init_code_size); > + _sinittext, init_code_size); > adj_init_size(_stext, _etext, codesize, _sinittext, init_code_size); > adj_init_size(_sdata, _edata, datasize, __init_begin, init_data_size); > adj_init_size(_stext, _etext, codesize, __start_rodata, rosize); > @@ -6762,7 +6762,7 @@ void __init set_dma_reserve(unsigned long new_dma_reserve) > void __init free_area_init(unsigned long *zones_size) > { > free_area_init_node(0, zones_size, > - __pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL); > + __pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL); > } > > static int page_alloc_cpu_dead(unsigned int cpu) > @@ -6992,7 +6992,7 @@ int __meminit init_per_zone_wmark_min(void) > min_free_kbytes = 65536; > } else { > pr_warn("min_free_kbytes is not updated to %d because user defined value %d is preferred\n", > - new_min_free_kbytes, user_min_free_kbytes); > + new_min_free_kbytes, user_min_free_kbytes); > } > setup_per_zone_wmarks(); > refresh_zone_stat_thresholds(); > @@ -7013,7 +7013,7 @@ core_initcall(init_per_zone_wmark_min) > * changes. > */ > int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > int rc; > > @@ -7029,7 +7029,7 @@ int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write, > } > > int watermark_scale_factor_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > int rc; > > @@ -7054,12 +7054,12 @@ static void setup_min_unmapped_ratio(void) > > for_each_zone(zone) > zone->zone_pgdat->min_unmapped_pages += (zone->managed_pages * > - sysctl_min_unmapped_ratio) / 100; > + sysctl_min_unmapped_ratio) / 100; > } > > > int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > int rc; > > @@ -7082,11 +7082,11 @@ static void setup_min_slab_ratio(void) > > for_each_zone(zone) > zone->zone_pgdat->min_slab_pages += (zone->managed_pages * > - sysctl_min_slab_ratio) / 100; > + sysctl_min_slab_ratio) / 100; > } > > int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > int rc; > > @@ -7110,7 +7110,7 @@ int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *table, int write, > * if in function of the boot time zone sizes. > */ > int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > proc_dointvec_minmax(table, write, buffer, length, ppos); > setup_per_zone_lowmem_reserve(); > @@ -7123,7 +7123,7 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *table, int write, > * pagelist can have before it gets flushed back to buddy allocator. > */ > int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *table, int write, > - void __user *buffer, size_t *length, loff_t *ppos) > + void __user *buffer, size_t *length, loff_t *ppos) > { > struct zone *zone; > int old_percpu_pagelist_fraction; > @@ -7153,7 +7153,7 @@ int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *table, int write, > > for_each_possible_cpu(cpu) > pageset_set_high_and_batch(zone, > - per_cpu_ptr(zone->pageset, cpu)); > + per_cpu_ptr(zone->pageset, cpu)); > } > out: > mutex_unlock(&pcp_batch_high_lock); > @@ -7461,7 +7461,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, > } > > nr_reclaimed = reclaim_clean_pages_from_list(cc->zone, > - &cc->migratepages); > + &cc->migratepages); > cc->nr_migratepages -= nr_reclaimed; > > ret = migrate_pages(&cc->migratepages, alloc_migrate_target, > @@ -7645,7 +7645,7 @@ void __meminit zone_pcp_update(struct zone *zone) > mutex_lock(&pcp_batch_high_lock); > for_each_possible_cpu(cpu) > pageset_set_high_and_batch(zone, > - per_cpu_ptr(zone->pageset, cpu)); > + per_cpu_ptr(zone->pageset, cpu)); > mutex_unlock(&pcp_batch_high_lock); > } > #endif > -- > 2.10.0.rc2.1.g053435c > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@xxxxxxxxx. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a> -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>