From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH 3/4] OOM, PM: OOM killed task shouldn't escape PM suspend Date: Sun, 26 Oct 2014 19:49:26 +0100 Message-ID: <20141026184926.GB16309@amd> References: <1413876435-11720-1-git-send-email-mhocko@suse.cz> <2156351.pWp6MNRoWm@vostro.rjw.lan> <20141021141159.GE9415@dhcp22.suse.cz> <4766859.KSKPTm3b0x@vostro.rjw.lan> <20141021142939.GG9415@dhcp22.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20141021142939.GG9415@dhcp22.suse.cz> Sender: owner-linux-mm@kvack.org To: Michal Hocko Cc: "Rafael J. Wysocki" , Andrew Morton , Cong Wang , David Rientjes , Tejun Heo , Oleg Nesterov , LKML , linux-mm@kvack.org, Linux PM list List-Id: linux-pm@vger.kernel.org Hi! > > +/* > + * Number of OOM killer invocations (including memcg OOM killer). > + * Primarily used by PM freezer to check for potential races with > + * OOM killed frozen task. > + */ > +static atomic_t oom_kills = ATOMIC_INIT(0); > + > +int oom_kills_count(void) > +{ > + return atomic_read(&oom_kills); > +} > + > +void note_oom_kill(void) > +{ > + atomic_inc(&oom_kills); > +} > + Do we need the extra abstraction here? Maybe oom_kills should be exported directly? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org