From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Senozhatsky Subject: Re: [mmots-2016-06-09-16-49] sleeping function called from slab_alloc() Date: Fri, 10 Jun 2016 18:58:08 +0900 Message-ID: <20160610095808.GB655@swordfish> References: <20160610061139.GA374@swordfish> <20160610095048.GA655@swordfish> <477de582bf99ba64be662a42bf023b54@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pf0-f196.google.com ([209.85.192.196]:33066 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750710AbcFJJ6O (ORCPT ); Fri, 10 Jun 2016 05:58:14 -0400 Content-Disposition: inline In-Reply-To: <477de582bf99ba64be662a42bf023b54@suse.de> Sender: linux-next-owner@vger.kernel.org List-ID: To: mhocko Cc: Sergey Senozhatsky , Christoph Lameter , Michal Hocko , Andrew Morton , Vlastimil Babka , Stephen Rothwell , linux-mm@kvack.org, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , linux-kernel-owner@vger.kernel.org On (06/10/16 11:55), mhocko wrote: > On 2016-06-10 11:50, Sergey Senozhatsky wrote: > > Hello, > > > > forked from http://marc.info/?l=linux-mm&m=146553910928716&w=2 > > > > new_slab()->BUG->die()->exit_signals() can be called from atomic > > context: local IRQs disabled in slab_alloc(). > > I have sent a patch to drop the BUG() from that path today. It > is just too aggressive way to react to a non-critical bug. > See > http://lkml.kernel.org/r/1465548200-11384-2-git-send-email-mhocko@kernel.org ah, ok. didn't see that one. thanks. -ss