| To: | Minchan Kim <minchan.kim@xxxxxxxxx> |
|---|---|
| Subject: | Re: Very aggressive memory reclaim |
| From: | KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> |
| Date: | Tue, 29 Mar 2011 11:55:03 +0900 (JST) |
| Cc: | kosaki.motohiro@xxxxxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>, John Lepikhin <johnlepikhin@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, linux-mm@xxxxxxxxx |
| In-reply-to: | <BANLkTimHPFMUOCFAruF5J4OMHSkZsMsAgA@xxxxxxxxxxxxxx> |
| References: | <20110328215344.GC3008@dastard> <BANLkTimHPFMUOCFAruF5J4OMHSkZsMsAgA@xxxxxxxxxxxxxx> |
> Recently, We had a similar issue. > http://www.spinics.net/lists/linux-mm/msg12243.html > But it seems to not merge. I don't know why since I didn't follow up the > thread. > Maybe Cced guys can help you. > > Is it a sudden big cache drop at the moment or accumulated small cache > drop for long time? > What's your zones' size? > > Please attach the result of cat /proc/zoneinfo for others. If my remember is correct, 2.6.38 is included Mel's anti agressive reclaim patch. And original report seems to be using 2.6.37.x. John, can you try 2.6.38? |
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