From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 04/11] cgroup: use kzalloc() and list_del_init() Date: Wed, 12 Jun 2013 19:48:59 -0700 Message-ID: <20130613024859.GA7432@mtj.dyndns.org> References: <1371070996-20613-1-git-send-email-tj@kernel.org> <1371070996-20613-5-git-send-email-tj@kernel.org> <51B93038.9010202@huawei.com> <20130613023831.GB10979@localhost> <20130613024310.GC10979@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=MXByZpNOzLpUSvDlt76FDGznQJ6B3PEAGtLWxLKOQ/g=; b=tLgTmiY27+vHoPfFKJkT4ulsbl/uAAUdCyVQOYDrr/rjkIA0nwzfPdbe9DKQ57n/r4 Pxpzz1juNSlPhIrVxnWC2gimkwdOWwF8KCG0ZwVv2t0u6dQUut81PClE3X2CAqTT0Thj ViJgNl00KinHZZrmlvRR5jl01rNZoLTGaJTZoEnegOHhK+JExnn7n8tmyJ5quS3Np2d0 fG777STbMAXJ+xeohjPpG94KBsIkgAOqlK1uAIJp1lwUvi+aBK2RiR6UbX6QlcV1lvLg K9QJu6jPfi3ivXZPmFJc/v5ApJiChgxge3PMFUhCV41k8LbLtW9to4oDyxXOkDOiw5pR lP2Q== Content-Disposition: inline In-Reply-To: <20130613024310.GC10979@localhost> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Kent Overstreet Cc: Cgroups , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Christoph Lameter , lkml On Wed, Jun 12, 2013 at 07:43:10PM -0700, Kent Overstreet wrote: > list_del() does do poisoning - and list debugging is cheaper to enable > than full slab debugging. Ah, right, now we have DEBUG_LIST. Completely forgot about that. I don't think the cost difference matters that much as long as there are enough people running with slab debugging, but, yeah, with DEBUG_LIST, leaving list_del() alone would actually be better. I'll drop that part. Thanks. -- tejun