From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f44.google.com (mail-wg0-f44.google.com [74.125.82.44]) by kanga.kvack.org (Postfix) with ESMTP id 490826B0031 for ; Fri, 24 Jan 2014 06:18:26 -0500 (EST) Received: by mail-wg0-f44.google.com with SMTP id l18so2761612wgh.11 for ; Fri, 24 Jan 2014 03:18:25 -0800 (PST) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id cb8si1192068wib.78.2014.01.24.03.18.25 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Fri, 24 Jan 2014 03:18:25 -0800 (PST) Date: Fri, 24 Jan 2014 11:18:22 +0000 From: Mel Gorman Subject: Re: [patch] mm, compaction: ignore pageblock skip when manually invoking compaction Message-ID: <20140124111822.GS4963@suse.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: David Rientjes Cc: Andrew Morton , Rik van Riel , linux-mm@kvack.org, linux-kernel@vger.kernel.org On Wed, Jan 22, 2014 at 09:56:31PM -0800, David Rientjes wrote: > The cached pageblock hint should be ignored when triggering compaction > through /proc/sys/vm/compact_memory so all eligible memory is isolated. > Manually invoking compaction is known to be expensive, there's no need to > skip pageblocks based on heuristics (mainly for debugging). > > Signed-off-by: David Rientjes Acked-by: Mel Gorman -- Mel Gorman 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