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| author | Geliang Tang <geliangtang@163.com> | 2016-01-14 15:20:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | 86760a2c6e827858f8eaf020b12b72b3210faf79 (patch) | |
| tree | fcb066b1982ae53a18cbaf368ad331612cf8298c | |
| parent | a16601c5458eb702f26cd48b9e8e1a9471700e72 (diff) | |
| download | linux-86760a2c6e827858f8eaf020b12b72b3210faf79.tar.bz2 | |
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>
| -rw-r--r-- | mm/page_alloc.c | 10 |
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)); } |