Messages in this thread | | | Date | Tue, 26 Apr 2011 11:26:19 +0800 | Subject | Re: [PATCH] use oom_killer_disabled in all oom pathes | From | Dave Young <> |
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On Tue, Apr 26, 2011 at 11:17 AM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > On Tue, 26 Apr 2011 11:19:22 +0800 > Dave Young <hidave.darkstar@gmail.com> wrote: > >> On Tue, Apr 26, 2011 at 11:14 AM, KOSAKI Motohiro >> <kosaki.motohiro@jp.fujitsu.com> wrote: >> >> On Tue, Apr 26, 2011 at 10:57 AM, KOSAKI Motohiro >> >> <kosaki.motohiro@jp.fujitsu.com> wrote: >> >> >> oom_killer_disable should be a global switch, also fit for oom paths >> >> >> other than __alloc_pages_slowpath >> >> >> >> >> >> Here add it to mem_cgroup_handle_oom and pagefault_out_of_memory as well. >> >> > >> >> > Can you please explain more? Why should? Now oom_killer_disabled is used >> >> > only hibernation path. so, Why pagefault and memcg allocation will be happen? >> >> >> >> Indeed I'm using it in virtio balloon test, oom killer triggered when >> >> memory pressure is high. >> >> >> >> literally oom_killer_disabled scope should be global, isn't it? >> > >> > ok. virtio baloon seems fair usage. if you add new usage of oom_killer_disabled >> > into the patch description, I'll ack this one. >> >> Thanks, then I will resend the virtio balloon patch along with this. >> > > Amount of free memory doesn't affect memory cgroup's OOM because it just works > against the limit. So, the code for memcg isn't necessary.
Right, thanks for pointing out this, will remove the memcg part > > > Thanks, > -Kame > >
-- Regards dave
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