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Date: Fri, 22 Oct 2010 13:34:13 +0900 From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> To: balbir@...ux.vnet.ibm.com Cc: "Steven J. Magnani" <steve@...idescorp.com>, linux-mm@...ck.org, dhowells@...hat.com, linux-kernel@...r.kernel.org Subject: Re: [PATCH V3] nommu: add anonymous page memcg accounting On Fri, 22 Oct 2010 09:23:03 +0530 Balbir Singh <balbir@...ux.vnet.ibm.com> wrote: > * Steven J. Magnani <steve@...idescorp.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@...idescorp.com> > > Acked-by: Balbir Singh <balbir@...ux.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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