Messages in this thread Patch in this message | | | Date | Sun, 04 May 2008 21:55:57 +0900 | From | KOSAKI Motohiro <> | Subject | [-mm][PATCH 1/5] fix overflow problem of do_try_to_free_page() |
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this patch is not part of reclaim throttle series. it is merely hotfixs.
--------------------------------------- "Smarter retry of costly-order allocations" patch series change behaver of do_try_to_free_pages(). but unfortunately ret variable type unchanged.
thus, overflow problem is possible.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> CC: Nishanth Aravamudan <nacc@us.ibm.com>
--- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/mm/vmscan.c =================================================================== --- a/mm/vmscan.c 2008-05-03 00:02:52.000000000 +0900 +++ b/mm/vmscan.c 2008-05-03 00:05:08.000000000 +0900 @@ -1317,7 +1317,7 @@ static unsigned long do_try_to_free_page struct scan_control *sc) { int priority; - int ret = 0; + unsigned long ret = 0; unsigned long total_scanned = 0; unsigned long nr_reclaimed = 0; struct reclaim_state *reclaim_state = current->reclaim_state;
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