Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751849AbaL2InO (ORCPT ); Mon, 29 Dec 2014 03:43:14 -0500 Received: from mx2.parallels.com ([199.115.105.18]:48117 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751232AbaL2InM (ORCPT ); Mon, 29 Dec 2014 03:43:12 -0500 Date: Mon, 29 Dec 2014 11:42:59 +0300 From: Vladimir Davydov To: Johannes Weiner CC: Andrew Morton , Michal Hocko , Tejun Heo , , , Subject: Re: [patch] mm: memcontrol: switch soft limit default back to infinity Message-ID: <20141229084259.GA9984@esperanza> References: <1419792468-9278-1-git-send-email-hannes@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <1419792468-9278-1-git-send-email-hannes@cmpxchg.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Dec 28, 2014 at 01:47:48PM -0500, Johannes Weiner wrote: > 3e32cb2e0a12 ("mm: memcontrol: lockless page counters") accidentally > switched the soft limit default from infinity to zero, which turns all > memcgs with even a single page into soft limit excessors and engages > soft limit reclaim on all of them during global memory pressure. This > makes global reclaim generally more aggressive, but also inverts the > meaning of existing soft limit configurations where unset soft limits > are usually more generous than set ones. > > Signed-off-by: Johannes Weiner Overlooked that :-/ Acked-by: Vladimir Davydov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/