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authorGeliang Tang <geliangtang@163.com>2016-01-14 15:20:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-14 16:00:49 -0800
commit86760a2c6e827858f8eaf020b12b72b3210faf79 (patch)
treefcb066b1982ae53a18cbaf368ad331612cf8298c /mm/page_alloc.c
parenta16601c5458eb702f26cd48b9e8e1a9471700e72 (diff)
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@163.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b9747aa0fb59..d7f5bc895157 100644
--- a/mm/page_alloc.c
+++ b/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));
}