The patch titled
Subject: mm/page_alloc.c: use list_for_each_entry in mark_free_pages()
has been added to the -mm tree. Its filename is
mm-page_allocc-use-list_for_each_entry-in-mark_free_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_allocc-use-list_for_each_entry-in-mark_free_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_allocc-use-list_for_each_entry-in-mark_free_pages.patch
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------------------------------------------------------
From: Geliang Tang <geliangtang@xxxxxxx>
Subject: mm/page_alloc.c: use list_for_each_entry in mark_free_pages()
Use list_for_each_entry instead of list_for_each + list_entry to
simplify the code.
Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN mm/page_alloc.c~mm-page_allocc-use-list_for_each_entry-in-mark_free_pages mm/page_alloc.c
--- a/mm/page_alloc.c~mm-page_allocc-use-list_for_each_entry-in-mark_free_pages
+++ a/mm/page_alloc.c
@@ -1980,7 +1980,7 @@ void mark_free_pages(struct zone *zone)
unsigned long pfn, max_zone_pfn;
unsigned long flags;
unsigned int order, t;
- struct list_head *curr;
+ struct page *page;
if (zone_is_empty(zone))
return;
@@ -1990,17 +1990,17 @@ void mark_free_pages(struct zone *zone)
max_zone_pfn = zone_end_pfn(zone);
for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)
if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
-
+ page = pfn_to_page(pfn);
if (!swsusp_page_is_forbidden(page))
swsusp_unset_page_free(page);
}
for_each_migratetype_order(order, t) {
- list_for_each(curr, &zone->free_area[order].free_list[t]) {
+ list_for_each_entry(page,
+ &zone->free_area[order].free_list[t], lru) {
unsigned long i;
- pfn = page_to_pfn(list_entry(curr, struct page, lru));
+ pfn = page_to_pfn(page);
for (i = 0; i < (1UL << order); i++)
swsusp_set_page_free(pfn_to_page(pfn + i));
}
_
Patches currently in -mm which might be from geliangtang@xxxxxxx are
fsnotify-use-list_next_entry-in-fsnotify_unmount_inodes.patch
mm-vmalloc-use-list_nextfirst_entry.patch
mm-thp-use-list_first_entry_or_null.patch
mm-page_allocc-use-list_firstlast_entry-instead-of-list_entry.patch
mm-page_allocc-use-list_for_each_entry-in-mark_free_pages.patch
dma-mapping-use-offset_in_page-macro.patch
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