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1;SN2PR15MB1085;20:gfh5kIC4tL7Lgvytzo5VEYybkD/SRubV8SWKJcnPrq4CzE1gelE5E68raR/WTbHGZ2M82LX6tf1u3bZ4SWK1mtYLRuRoEWbM9gIMoASb7l8ho/OKRDQIGIFEH9PVvXIGVFZsOpRoEJ+h4SW239rhrHsRwx+M8XWetqD4dZypgqQ= X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jun 2017 18:45:18.7058 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN2PR15MB1085 X-OriginatorOrg: fb.com X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-06-29_13:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 29, 2017 at 10:53:57AM +0200, Michal Hocko wrote: > On Wed 21-06-17 22:19:15, Roman Gushchin wrote: > > We want to limit the number of tasks which are having an access > > to the memory reserves. To ensure the progress it's enough > > to have one such process at the time. > > > > If we need to kill the whole cgroup, let's give an access to the > > memory reserves only to the first process in the list, which is > > (usually) the biggest process. > > This will give us good chances that all other processes will be able > > to quit without an access to the memory reserves. > > I don't like this to be honest. Is there any reason to go the reduced > memory reserves access to oom victims I was suggesting earlier [1]? > > [1] http://lkml.kernel.org/r/http://lkml.kernel.org/r/1472723464-22866-2-git-send-email-mhocko@kernel.org I've nothing against your approach. What's the state of this patchset? Do you plan to bring it upstream? Roman