From: David Rientjes <rientjes@google.com>
To: Roman Gushchin <klamm@yandex-team.ru>
Cc: Michal Hocko <mhocko@suse.cz>, Christoph Lameter <cl@gentwo.org>,
penberg@kernel.org, mpm@selenic.com, akpm@linux-foundation.org,
mgorman@suse.de, glommer@parallels.com, hannes@cmpxchg.org,
minchan@kernel.org, jiang.liu@huawei.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] slub: Avoid direct compaction if possible
Date: Mon, 17 Jun 2013 14:44:54 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.02.1306171441510.20631@chino.kir.corp.google.com> (raw)
In-Reply-To: <51BF230E.8050904@yandex-team.ru>
On Mon, 17 Jun 2013, Roman Gushchin wrote:
> > FWIW, there were some compaction locking related patches merged
> > around 3.7. See 2a1402aa044b55c2d30ab0ed9405693ef06fb07c and follow ups.
>
> Thanks, Michal.
> I've already tried to backport some of those patches, but it didn't help
> (may be it wasn't enough).
They certainly aren't enough, the kernel you're running suffers from a
couple different memory compaction issues that were fixed in 3.7. I
couldn't sympathize with your situation more, I faced the same issue
because of thp and not slub (we use slab).
> I'll try to reproduce the issue on raw 3.9.
>
Thanks. If you need to go back to 3.4, try using these, they
significantly helped our issues:
bb13ffeb9f6bfeb301443994dfbf29f91117dfb3
627260595ca6abcb16d68a3732bac6b547e112d6
c89511ab2f8fe2b47585e60da8af7fd213ec877e
62997027ca5b3d4618198ed8b1aba40b61b1137b
a9aacbccf3145355190d87f0df1731fb84fdd8c8
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next prev parent reply other threads:[~2013-06-17 21:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-14 13:17 Roman Gushchin
2013-06-14 14:32 ` Christoph Lameter
2013-06-14 15:17 ` Roman Gushchin
2013-06-14 16:08 ` Christoph Lameter
2013-06-14 16:52 ` Roman Gushchin
2013-06-14 20:26 ` David Rientjes
2013-06-17 12:34 ` Roman Gushchin
2013-06-17 14:27 ` Michal Hocko
2013-06-17 14:54 ` Roman Gushchin
2013-06-17 21:44 ` David Rientjes [this message]
2013-06-27 8:49 ` Roman Gushchin
2013-06-27 20:41 ` David Rientjes
2013-07-18 20:29 ` Vinson Lee
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