From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f170.google.com (mail-ig0-f170.google.com [209.85.213.170]) by kanga.kvack.org (Postfix) with ESMTP id BE864280250 for ; Tue, 14 Jul 2015 17:18:39 -0400 (EDT) Received: by igbij6 with SMTP id ij6so56603459igb.1 for ; Tue, 14 Jul 2015 14:18:39 -0700 (PDT) Received: from resqmta-ch2-05v.sys.comcast.net (resqmta-ch2-05v.sys.comcast.net. [2001:558:fe21:29:69:252:207:37]) by mx.google.com with ESMTPS id ek2si2378648icb.29.2015.07.14.14.18.39 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 14 Jul 2015 14:18:39 -0700 (PDT) Date: Tue, 14 Jul 2015 16:18:38 -0500 (CDT) From: Christoph Lameter Subject: Re: [PATCH 2/2] mm/slub: disable merging after enabling debug in runtime In-Reply-To: Message-ID: References: <20150714131704.21442.17939.stgit@buzz> <20150714131705.21442.99279.stgit@buzz> Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: Konstantin Khlebnikov , "linux-mm@kvack.org" , Andrew Morton , Linux Kernel Mailing List On Tue, 14 Jul 2015, Konstantin Khlebnikov wrote: > > What breaks? > > The same commands from first patch: > > # echo 1 | tee /sys/kernel/slab/*/sanity_checks > # modprobe configfs > > loading configfs now fails (without crashing kernel though) because of > "sysfs: cannot create duplicate filename '/kernel/slab/:t-0000096'" Hrm.... Bad. Maybe drop the checks for the debug options that can be configured when merging slabs? They do not influence the object layout per definition. -- 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