Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757642Ab0GHBLP (ORCPT ); Wed, 7 Jul 2010 21:11:15 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:53682 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753951Ab0GHBLO (ORCPT ); Wed, 7 Jul 2010 21:11:14 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: KOSAKI Motohiro Subject: Re: FYI: mmap_sem OOM patch Cc: kosaki.motohiro@jp.fujitsu.com, Michel Lespinasse , linux-mm , LKML , Divyesh Shah In-Reply-To: <20100708084005.CD0F.A69D9226@jp.fujitsu.com> References: <20100707231134.GA26555@google.com> <20100708084005.CD0F.A69D9226@jp.fujitsu.com> Message-Id: <20100708100836.CD1A.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Thu, 8 Jul 2010 10:11:10 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 712 Lines: 19 > Yup. > If admins want to kill memory hogging process manually when the system > is under heavy swap thrashing, we will face the same problem, need > unfairness and fast exit. So, unfair exiting design looks very good. > > If you will updated the description, I'm glad :) I have one more topic. can we check fatal_signal_pending() instead TIF_MEMDIE? As I said, if the process received SIGKILL, do the fork/exec/brk/mmap starvations have any problem? Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/