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mm: fix incorrect variable type in do_try_to_free_pages()

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"Smarter retry of costly-order allocations" patch series change behaver of
do_try_to_free_pages().  But unfortunately ret variable type was
unchanged.

Thus an overflow is possible.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
kosaki.motohiro@jp.fujitsu.com 2008-06-12 15:21:27 -07:00 committed by Linus Torvalds
parent df0bcab2c6
commit c700be3d13
1 changed files with 1 additions and 1 deletions
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2
mm/vmscan.c
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@ -1307,7 +1307,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
struct scan_control *sc) struct scan_control *sc)
{ {
int priority; int priority;
int ret = 0; unsigned long ret = 0;
unsigned long total_scanned = 0; unsigned long total_scanned = 0;
unsigned long nr_reclaimed = 0; unsigned long nr_reclaimed = 0;
struct reclaim_state *reclaim_state = current->reclaim_state; struct reclaim_state *reclaim_state = current->reclaim_state;