linux-kernel - Re: Very aggressive memory reclaim

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Message-ID: <AANLkTinvo6tZo8GtWohHpu5a0=EQvGz85zU55X5RTUxQ@mail.gmail.com>
Date:	Tue, 29 Mar 2011 11:33:32 +0400
From:	John Lepikhin <johnlepikhin@...il.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Minchan Kim <minchan.kim@...il.com>,
	Dave Chinner <david@...morbit.com>,
	linux-kernel@...r.kernel.org, xfs@....sgi.com, linux-mm@...ck.org
Subject: Re: Very aggressive memory reclaim

2011/3/29 KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>:

> 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?

I'll ask my boss about it. Unfortunately we found opposite issue with
memory management + XFS (100M of inodes) on 2.6.38: some objects in
xfs_inode and dentry slabs are seems to be never cleared (at least
without "sync && echo 2 >.../drop_caches"). But this is not a
production machine working 24x7, so we don't care about it right now.
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