From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: balbir@linux.vnet.ibm.com
Cc: "Steven J. Magnani" <steve@digidescorp.com>,
linux-mm@kvack.org, dhowells@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3] nommu: add anonymous page memcg accounting
Date: Fri, 22 Oct 2010 13:34:13 +0900 [thread overview]
Message-ID: <20101022133413.3ab2df01.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20101022035302.GA15844@balbir.in.ibm.com>
On Fri, 22 Oct 2010 09:23:03 +0530
Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> * Steven J. Magnani <steve@digidescorp.com> [2010-10-21 07:28:08]:
>
> > Add the necessary calls to track VM anonymous page usage (only).
> >
> > V3 changes:
> > * Use vma->vm_mm instead of current->mm when charging pages, for clarity
> > * Document that reclaim is not possible with only anonymous page accounting
> > so the OOM-killer is invoked when a limit is exceeded
> > * Add TODO to implement file cache (reclaim) support or optimize away
> > page_cgroup->lru
> >
> > V2 changes:
> > * Added update of memory cgroup documentation
> > * Clarify use of 'file' to distinguish anonymous mappings
> >
> > Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
>
> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
>
> BTW, I have no way of testing this, we need to rely on the NOMMU
> community to test this.
>
Yes, that's the biggest problem.
-Kame
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prev parent reply other threads:[~2010-10-22 4:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 12:28 Steven J. Magnani
2010-10-22 3:20 ` KAMEZAWA Hiroyuki
2010-10-22 13:26 ` Steven J. Magnani
2010-10-25 0:13 ` KAMEZAWA Hiroyuki
2010-10-22 3:53 ` Balbir Singh
2010-10-22 4:34 ` KAMEZAWA Hiroyuki [this message]
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