From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <41617567.9010507@colorfullife.com> Date: Mon, 04 Oct 2004 18:08:07 +0200 From: Manfred Spraul MIME-Version: 1.0 Subject: Re: slab fragmentation ? References: <1096500963.12861.21.camel@dyn318077bld.beaverton.ibm.com> <20040929204143.134154bc.akpm@osdl.org> <29460000.1096555795@[10.10.2.4]> <1096555693.12861.27.camel@dyn318077bld.beaverton.ibm.com> <415F968B.8000403@colorfullife.com> <1096905099.12861.117.camel@dyn318077bld.beaverton.ibm.com> In-Reply-To: <1096905099.12861.117.camel@dyn318077bld.beaverton.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Badari Pulavarty Cc: Andrew Morton , linux-mm@kvack.org List-ID: Badari Pulavarty wrote: >I will enable slab debugging. Someone told me that, by enabling slab >debug, it fill force use of different slab for each allocation - there >by bloating slab usages and mask the problem. Is it true ? > > > Then set STATS to 1. It's around line 118. This just adds full statistics without changing the allocations. Or even better: enable STATS and DEBUG, but not FORCED_DEBUG. You get most internal consistance checks as well, except the tests that rely on redzoning. -- Manfred -- 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: aart@kvack.org