From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zps76.corp.google.com (zps76.corp.google.com [172.25.146.76]) by smtp-out.google.com with ESMTP id m477hlDe004797 for ; Wed, 7 May 2008 08:43:47 +0100 Received: from an-out-0708.google.com (anab33.prod.google.com [10.100.53.33]) by zps76.corp.google.com with ESMTP id m477hkZp007727 for ; Wed, 7 May 2008 00:43:46 -0700 Received: by an-out-0708.google.com with SMTP id b33so48215ana.13 for ; Wed, 07 May 2008 00:43:46 -0700 (PDT) Message-ID: <6599ad830805070043y4465a32h8e26c5e8890b1100@mail.gmail.com> Date: Wed, 7 May 2008 00:43:45 -0700 From: "Paul Menage" Subject: Re: [PATCH] mm/cgroup.c add error check In-Reply-To: <20080507164526.884208f9.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080506195216.4A6D.KOSAKI.MOTOHIRO@jp.fujitsu.com> <6599ad830805062208if98157cwaca4bafa01b8d097@mail.gmail.com> <20080507164526.884208f9.kamezawa.hiroyu@jp.fujitsu.com> Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: KOSAKI Motohiro , LKML , linux-mm , Li Zefan List-ID: On Wed, May 7, 2008 at 12:45 AM, KAMEZAWA Hiroyuki wrote: > Hmm, but It seems call_usermodehelper()'s fails in silent, no messages. > A notify which can be silently dropped is useless. True, but if we're so short of memory that we can't fork, userspace probably won't be able to do much about the notification even if it gets it. > Can we add 'printk("notify_on_release: ... is failed")' or some workaround ? > Sounds reasonable for debugging, but don't expect any automated middleware to notice it. Paul -- 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