[PATCH] mm: vmscan: fix typo in isolating lru pages

Hillf Danton
2011-12-29T12:38:43Z

It is not the tag page but the cursor page that we should process, and it looks
a typo.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
---

--- a/mm/vmscan.c Thu Dec 29 20:20:16 2011
+++ b/mm/vmscan.c Thu Dec 29 20:23:30 2011
@@ -1231,13 +1231,13 @@ static unsigned long isolate_lru_pages(u

mem_cgroup_lru_del(cursor_page);
list_move(&cursor_page->lru, dst);
- isolated_pages = hpage_nr_pages(page);
+ isolated_pages = hpage_nr_pages(cursor_page);
nr_taken += isolated_pages;
nr_lumpy_taken += isolated_pages;
if (PageDirty(cursor_page))
nr_lumpy_dirty += isolated_pages;
scan++;
- pfn += isolated_pages-1;
+ pfn += isolated_pages - 1;
} else {
/*
* Check if the page is freed already.