From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) by kanga.kvack.org (Postfix) with ESMTP id 24B8E6B008A for ; Fri, 30 Jan 2015 10:29:03 -0500 (EST) Received: by mail-wi0-f179.google.com with SMTP id l15so3348071wiw.0 for ; Fri, 30 Jan 2015 07:29:02 -0800 (PST) Received: from mail-we0-x234.google.com (mail-we0-x234.google.com. [2a00:1450:400c:c03::234]) by mx.google.com with ESMTPS id dx1si7289859wib.72.2015.01.30.07.29.01 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 30 Jan 2015 07:29:01 -0800 (PST) Received: by mail-we0-f180.google.com with SMTP id m14so27777871wev.11 for ; Fri, 30 Jan 2015 07:29:01 -0800 (PST) Date: Fri, 30 Jan 2015 16:28:59 +0100 From: Michal Hocko Subject: Re: [PATCH v2] mm: vmscan: fix the page state calculation in too_many_isolated Message-ID: <20150130152859.GI15505@dhcp22.suse.cz> References: <20150116154922.GB4650@dhcp22.suse.cz> <54BA7D3A.40100@codeaurora.org> <54BC879C.90505@codeaurora.org> <20150121143920.GD23700@dhcp22.suse.cz> <20150126174606.GD22681@dhcp22.suse.cz> <20150127105242.GC19880@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Vinayak Menon , linux-mm@kvack.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org, vdavydov@parallels.com, mgorman@suse.de, minchan@kernel.org On Tue 27-01-15 10:59:59, Christoph Lameter wrote: > On Tue, 27 Jan 2015, Michal Hocko wrote: > > > I am not following. The idea was to run vmstat_shepherd in a kernel > > thread and waking up as per defined timeout and then check need_update > > for each CPU and call smp_call_function_single to refresh the timer > > rather than building a mask and then calling sm_call_function_many to > > reduce paralel contention on the shared counters. > > Thats ok. OK, I will put that on my todo list and try to find some time to implement it. -- Michal Hocko SUSE Labs -- 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