From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vladimir Davydov Subject: Re: [patch] mm: memcontrol: switch soft limit default back to infinity Date: Mon, 29 Dec 2014 11:42:59 +0300 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" Return-path: Content-Disposition: inline In-Reply-To: <1419792468-9278-1-git-send-email-hannes@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: Content-Transfer-Encoding: 7bit To: Johannes Weiner Cc: Andrew Morton , Michal Hocko , Tejun Heo , linux-mm@kvack.org, cgroups@vger.kernel.org, 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, 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