From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: "Steven J. Magnani" <steve@digidescorp.com>
Cc: linux-mm@kvack.org, dhowells@redhat.com,
linux-kernel@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com
Subject: Re: [PATCH V3] nommu: add anonymous page memcg accounting
Date: Fri, 22 Oct 2010 09:23:03 +0530 [thread overview]
Message-ID: <20101022035302.GA15844@balbir.in.ibm.com> (raw)
In-Reply-To: <1287664088-4483-1-git-send-email-steve@digidescorp.com>
* 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.
--
Three Cheers,
Balbir
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next prev parent reply other threads:[~2010-10-22 3:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-21 12:28 [PATCH V3] nommu: add anonymous page memcg accounting 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 [this message]
2010-10-22 4:34 ` KAMEZAWA Hiroyuki
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