Subject: + mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch added to -mm tree To: liuj97@xxxxxxxxx,fenghua.yu@xxxxxxxxx,jiang.liu@xxxxxxxxxx,tony.luck@xxxxxxxxx,zhangyanfei@xxxxxxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Fri, 31 May 2013 13:32:46 -0700 The patch titled Subject: mm/IA64: prepare for removing num_physpages and simplify mem_init() has been added to the -mm tree. Its filename is mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Jiang Liu <liuj97@xxxxxxxxx> Subject: mm/IA64: prepare for removing num_physpages and simplify mem_init() Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/ia64/mm/contig.c | 11 ----------- arch/ia64/mm/discontig.c | 3 --- arch/ia64/mm/init.c | 27 +-------------------------- 3 files changed, 1 insertion(+), 40 deletions(-) diff -puN arch/ia64/mm/contig.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init arch/ia64/mm/contig.c --- a/arch/ia64/mm/contig.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init +++ a/arch/ia64/mm/contig.c @@ -295,14 +295,6 @@ find_memory (void) alloc_per_cpu_data(); } -static int count_pages(u64 start, u64 end, void *arg) -{ - unsigned long *count = arg; - - *count += (end - start) >> PAGE_SHIFT; - return 0; -} - /* * Set up the page tables. */ @@ -313,9 +305,6 @@ paging_init (void) unsigned long max_dma; unsigned long max_zone_pfns[MAX_NR_ZONES]; - num_physpages = 0; - efi_memmap_walk(count_pages, &num_physpages); - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); #ifdef CONFIG_ZONE_DMA max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; diff -puN arch/ia64/mm/discontig.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init arch/ia64/mm/discontig.c --- a/arch/ia64/mm/discontig.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init +++ a/arch/ia64/mm/discontig.c @@ -37,7 +37,6 @@ struct early_node_data { struct ia64_node_data *node_data; unsigned long pernode_addr; unsigned long pernode_size; - unsigned long num_physpages; #ifdef CONFIG_ZONE_DMA unsigned long num_dma_physpages; #endif @@ -732,7 +731,6 @@ static __init int count_node_pages(unsig { unsigned long end = start + len; - mem_data[node].num_physpages += len >> PAGE_SHIFT; #ifdef CONFIG_ZONE_DMA if (start <= __pa(MAX_DMA_ADDRESS)) mem_data[node].num_dma_physpages += @@ -778,7 +776,6 @@ void __init paging_init(void) #endif for_each_online_node(node) { - num_physpages += mem_data[node].num_physpages; pfn_offset = mem_data[node].min_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP diff -puN arch/ia64/mm/init.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init arch/ia64/mm/init.c --- a/arch/ia64/mm/init.c~mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init +++ a/arch/ia64/mm/init.c @@ -545,19 +545,6 @@ int __init register_active_ranges(u64 st return 0; } -static int __init -count_reserved_pages(u64 start, u64 end, void *arg) -{ - unsigned long num_reserved = 0; - unsigned long *count = arg; - - for (; start < end; start += PAGE_SIZE) - if (PageReserved(virt_to_page(start))) - ++num_reserved; - *count += num_reserved; - return 0; -} - int find_max_min_low_pfn (u64 start, u64 end, void *arg) { @@ -596,7 +583,6 @@ __setup("nolwsys", nolwsys_setup); void __init mem_init (void) { - long reserved_pages, codesize, datasize, initsize; pg_data_t *pgdat; int i; @@ -624,18 +610,7 @@ mem_init (void) if (pgdat->bdata->node_bootmem_map) free_all_bootmem_node(pgdat); - reserved_pages = 0; - efi_memmap_walk(count_reserved_pages, &reserved_pages); - - codesize = (unsigned long) _etext - (unsigned long) _stext; - datasize = (unsigned long) _edata - (unsigned long) _etext; - initsize = (unsigned long) __init_end - (unsigned long) __init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%luk code, %luk reserved, " - "%luk data, %luk init)\n", nr_free_pages() << (PAGE_SHIFT - 10), - num_physpages << (PAGE_SHIFT - 10), codesize >> 10, - reserved_pages << (PAGE_SHIFT - 10), datasize >> 10, initsize >> 10); - + mem_init_print_info(NULL); /* * For fsyscall entrpoints with no light-weight handler, use the ordinary _ Patches currently in -mm which might be from liuj97@xxxxxxxxx are linux-next.patch mm-change-signature-of-free_reserved_area-to-fix-building-warnings.patch mm-enhance-free_reserved_area-to-support-poisoning-memory-with-zero.patch mm-arm64-kill-poison_init_mem.patch mm-x86-use-free_reserved_area-to-simplify-code.patch mm-tile-use-common-help-functions-to-free-reserved-pages.patch mm-fix-some-trivial-typos-in-comments.patch mm-use-managed_pages-to-calculate-default-zonelist-order.patch mm-accurately-calculate-zone-managed_pages-for-highmem-zones.patch mm-use-a-dedicated-lock-to-protect-totalram_pages-and-zone-managed_pages.patch mm-make-__free_pages_bootmem-only-available-at-boot-time.patch mm-correctly-update-zone-managed_pages.patch mm-correctly-update-zone-managed_pages-fix.patch mm-concentrate-modification-of-totalram_pages-into-the-mm-core.patch mm-report-available-pages-as-memtotal-for-each-numa-node.patch vmlinuxlds-add-comments-for-global-variables-and-clean-up-useless-declarations.patch avr32-normalize-global-variables-exported-by-vmlinuxlds.patch c6x-normalize-global-variables-exported-by-vmlinuxlds.patch h8300-normalize-global-variables-exported-by-vmlinuxlds.patch score-normalize-global-variables-exported-by-vmlinuxlds.patch tile-normalize-global-variables-exported-by-vmlinuxlds.patch uml-normalize-global-variables-exported-by-vmlinuxlds.patch mm-introduce-helper-function-mem_init_print_info-to-simplify-mem_init.patch mm-use-totalram_pages-instead-of-num_physpages-at-runtime.patch mm-hotplug-prepare-for-removing-num_physpages.patch mm-alpha-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-arc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-arm-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-arm64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-avr32-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-blackfin-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-c6x-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-cris-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-frv-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-h8300-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-hexagon-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-ia64-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-m32r-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-m68k-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-metag-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-microblaze-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-mips-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-mn10300-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-openrisc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-parisc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-ppc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-s390-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-score-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-sh-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-sparc-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-tile-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-um-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-unicore32-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-x86-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-xtensa-prepare-for-removing-num_physpages-and-simplify-mem_init.patch mm-kill-global-variable-num_physpages.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html