Re: [PATCH] Revert "mm: remove __GFP_NO_KSWAPD"

From: Bruno Wolff III
Date: Tue Nov 20 2012 - 11:14:03 EST


On Tue, Nov 20, 2012 at 10:38:45 -0500,
Josh Boyer <jwboyer@xxxxxxxxx> wrote:

We've been tracking it in https://bugzilla.redhat.com/show_bug.cgi?id=866988
and people say this revert patch doesn't seem to make the issue go away
fully. Thorsten has created another kernel with the other patch applied
for testing.

At least I think that is the latest status from the bug. Hopefully the
commenters will chime in.

I am seeing kswapd0 hogging a cpu right now. I have two rsyncs and an md sync running and a couple of large memory processes (java and firefox) idle.

I haven't been seeing this happen as often as previously. Before doing a yum update with an rsync was pretty good at triggering the problem. Now, not so much.
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