From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f199.google.com (mail-yw0-f199.google.com [209.85.161.199]) by kanga.kvack.org (Postfix) with ESMTP id 366536B0038 for ; Fri, 3 Feb 2017 12:43:50 -0500 (EST) Received: by mail-yw0-f199.google.com with SMTP id z143so26055313ywz.7 for ; Fri, 03 Feb 2017 09:43:50 -0800 (PST) Received: from mail-yw0-x242.google.com (mail-yw0-x242.google.com. [2607:f8b0:4002:c05::242]) by mx.google.com with ESMTPS id z187si7455008ywe.456.2017.02.03.09.43.49 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 Feb 2017 09:43:49 -0800 (PST) Received: by mail-yw0-x242.google.com with SMTP id l16so2275510ywb.2 for ; Fri, 03 Feb 2017 09:43:49 -0800 (PST) Date: Fri, 3 Feb 2017 12:43:46 -0500 From: Tejun Heo Subject: Re: [PATCHSET v3] slab: make memcg slab destruction scalable Message-ID: <20170203174346.GA26336@mtj.duckdns.org> References: <20170117235411.9408-1-tj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170117235411.9408-1-tj@kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: vdavydov.dev@gmail.com, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org Cc: jsvana@fb.com, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, kernel-team@fb.com Hello, On Tue, Jan 17, 2017 at 03:54:01PM -0800, Tejun Heo wrote: > Changes from [V2] to V3. > > * 0002-slub-separate-out-sysfs_slab_release-from-sysfs_slab.patch > separated out from > 0002-slab-remove-synchronous-rcu_barrier-call-in-memcg-ca.patch. > > * 0002-slab-remove-synchronous-rcu_barrier-call-in-memcg-ca.patch > replaced with > 0003-slab-remove-synchronous-rcu_barrier-call-in-memcg-ca.patch. > It now keeps rcu_barrier() in the kmem_cache destruction path. > > * 0010-slab-memcg-wq.patch added to limit concurrency on destruction > work items. Are there more concerns on this patchset? If not, Andrew, can you please route these patches? On certain setups, this can cause serious performance and scalability issues. Thanks. -- tejun -- 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