From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vlastimil Babka Subject: Re: [PATCH 06/18] mm: make vm_brk killable Date: Fri, 11 Mar 2016 11:44:22 +0100 Message-ID: <56E2A186.5000404@suse.cz> References: <1456752417-9626-1-git-send-email-mhocko@kernel.org> <1456752417-9626-7-git-send-email-mhocko@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de ([195.135.220.15]:37825 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751511AbcCKKo0 (ORCPT ); Fri, 11 Mar 2016 05:44:26 -0500 In-Reply-To: <1456752417-9626-7-git-send-email-mhocko@kernel.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Michal Hocko , LKML Cc: Andrew Morton , linux-mm@kvack.org, Alex Deucher , Alex Thorlton , Andrea Arcangeli , Andy Lutomirski , Benjamin LaHaise , =?UTF-8?Q?Christian_K=c3=b6nig?= , Daniel Vetter , Dave Hansen , David Airlie , Davidlohr Bueso , David Rientjes , "H . Peter Anvin" , Hugh Dickins , Ingo Molnar , Johannes Weiner , "Kirill A . Shutemov" , Konstantin Khlebnikov , linux-arch@vger.kernel.org, Mel Gorman , Oleg Nesterov , Peter Zijlstra Pe On 02/29/2016 02:26 PM, Michal Hocko wrote: > From: Michal Hocko > > Now that all the callers handle vm_brk failure we can change it > wait for mmap_sem killable to help oom_reaper to not get blocked > just because vm_brk gets blocked behind mmap_sem readers. > > Cc: "Kirill A. Shutemov" > Cc: Oleg Nesterov > Cc: Andrea Arcangeli > Signed-off-by: Michal Hocko Acked-by: Vlastimil Babka From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:37825 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751511AbcCKKo0 (ORCPT ); Fri, 11 Mar 2016 05:44:26 -0500 Subject: Re: [PATCH 06/18] mm: make vm_brk killable References: <1456752417-9626-1-git-send-email-mhocko@kernel.org> <1456752417-9626-7-git-send-email-mhocko@kernel.org> From: Vlastimil Babka Message-ID: <56E2A186.5000404@suse.cz> Date: Fri, 11 Mar 2016 11:44:22 +0100 MIME-Version: 1.0 In-Reply-To: <1456752417-9626-7-git-send-email-mhocko@kernel.org> Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: Michal Hocko , LKML Cc: Andrew Morton , linux-mm@kvack.org, Alex Deucher , Alex Thorlton , Andrea Arcangeli , Andy Lutomirski , Benjamin LaHaise , =?UTF-8?Q?Christian_K=c3=b6nig?= , Daniel Vetter , Dave Hansen , David Airlie , Davidlohr Bueso , David Rientjes , "H . Peter Anvin" , Hugh Dickins , Ingo Molnar , Johannes Weiner , "Kirill A . Shutemov" , Konstantin Khlebnikov , linux-arch@vger.kernel.org, Mel Gorman , Oleg Nesterov , Peter Zijlstra , Petr Cermak , Thomas Gleixner , Michal Hocko Message-ID: <20160311104422.0c6rwmLJISY5l1wTjaZDHffMClvkrgBPpt5Ua98_s9A@z> On 02/29/2016 02:26 PM, Michal Hocko wrote: > From: Michal Hocko > > Now that all the callers handle vm_brk failure we can change it > wait for mmap_sem killable to help oom_reaper to not get blocked > just because vm_brk gets blocked behind mmap_sem readers. > > Cc: "Kirill A. Shutemov" > Cc: Oleg Nesterov > Cc: Andrea Arcangeli > Signed-off-by: Michal Hocko Acked-by: Vlastimil Babka