From: "Ross Biro" <rossb@google.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: linux-mm@kvack.org, lkml <linux-kernel@vger.kernel.org>
Subject: Re: Page Faults slower in 2.6.25-rc9 than 2.6.23
Date: Tue, 29 Apr 2008 10:08:18 -0400 [thread overview]
Message-ID: <d43160c70804290708t51bdc100j9cc42a8da512aee7@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0804291447040.5058@blonde.site>
On Tue, Apr 29, 2008 at 9:57 AM, Hugh Dickins <hugh@veritas.com> wrote:
> Do you have CONFIG_CGROUP_MEM_RES_CTLR=y in 2.6.25?
> That added about 20% to my lmbench "Page Fault" tests (with
> adverse effect on several others e.g. the fork, exec, sh group).
I don't have config cgroups set. I do have fake numa on, but I'm
pretty sure it was on for 2.6.23 as well.
# CONFIG_CGROUPS is not set
CONFIG_GROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_RT_GROUP_SCHED is not set
CONFIG_USER_SCHED=y
# CONFIG_CGROUP_SCHED is not set
C
Ross
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next prev parent reply other threads:[~2008-04-29 14:08 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-29 13:10 Ross Biro
2008-04-29 13:57 ` Hugh Dickins
2008-04-29 14:08 ` Ross Biro [this message]
2008-04-29 14:52 ` Balbir Singh
2008-04-29 15:21 ` Ross Biro
2008-04-29 15:32 ` Hugh Dickins
2008-04-29 16:05 ` Ross Biro
2008-04-29 16:42 ` Balbir Singh
2008-04-29 17:00 ` Ross Biro
2008-04-30 13:16 ` Ross Biro
2008-04-30 4:50 ` KAMEZAWA Hiroyuki
2008-04-30 11:33 ` Hugh Dickins
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