Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [PATCH 07/10] vmscan: Remove unnecessary temporary variables in shrink_zone() | Date | Fri, 28 May 2010 11:51:27 +0900 (JST) |
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> On Sat, Apr 17, 2010 at 01:03:32AM +0200, Johannes Weiner wrote: > > On Fri, Apr 16, 2010 at 11:51:26AM +0900, KOSAKI Motohiro wrote: > > > > Two variables are declared that are unnecessary in shrink_zone() as they > > > > already exist int the scan_control. Remove them > > > > > > > > Signed-off-by: Mel Gorman <mel@csn.ul.ie> > > > > > > ok. > > > Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > > > > You confuse me, you added the local variables yourself in 01dbe5c9 > > for performance reasons. Doesn't that still hold? > > To avoid a potential regression, I've dropped the patch.
I'm ok either.
Commit 01dbe5c9 issue was only observed on ia64. so it's not important. But at making 01dbe5c9 time, I didn't realized this stack overflow issue. So, I thought "Oh, It's no risk. should go!".
but if stack reducing is important, I'm ok to drop this one.
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