From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx172.postini.com [74.125.245.172]) by kanga.kvack.org (Postfix) with SMTP id 6C28D6B0032 for ; Mon, 10 Jun 2013 19:40:06 -0400 (EDT) Date: Mon, 10 Jun 2013 23:40:05 +0000 From: Christoph Lameter Subject: Re: [PATCH] slab: prevent warnings when allocating with __GFP_NOWARN In-Reply-To: <51B62F6B.8040308@oracle.com> Message-ID: <0000013f3075f90d-735942a8-b4b8-413f-a09e-57d1de0c4974-000000@email.amazonses.com> References: <1370891880-2644-1-git-send-email-sasha.levin@oracle.com> <51B62F6B.8040308@oracle.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Sasha Levin Cc: Pekka Enberg , "linux-mm@kvack.org" , Andrew Morton , LKML On Mon, 10 Jun 2013, Sasha Levin wrote: > [ 1691.807621] Call Trace: > [ 1691.809473] [] dump_stack+0x4e/0x82 > [ 1691.812783] [] warn_slowpath_common+0x82/0xb0 > [ 1691.817011] [] warn_slowpath_null+0x15/0x20 > [ 1691.819936] [] kmalloc_slab+0x2f/0xb0 > [ 1691.824942] [] __kmalloc+0x24/0x4b0 > [ 1691.827285] [] ? security_capable+0x13/0x20 > [ 1691.829405] [] ? pipe_fcntl+0x107/0x210 > [ 1691.831827] [] pipe_fcntl+0x107/0x210 > [ 1691.833651] [] ? fget_raw_light+0x130/0x3f0 > [ 1691.835343] [] SyS_fcntl+0x60b/0x6a0 > [ 1691.837008] [] tracesys+0xe1/0xe6 > > The caller specifically sets __GFP_NOWARN presumably to avoid this warning on > slub but I'm not sure if there's any other reason. There must be another reason. Lets fix this. -- 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