From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f43.google.com (mail-pb0-f43.google.com [209.85.160.43]) by kanga.kvack.org (Postfix) with ESMTP id A6DF56B0036 for ; Mon, 7 Oct 2013 14:44:37 -0400 (EDT) Received: by mail-pb0-f43.google.com with SMTP id md4so7486313pbc.2 for ; Mon, 07 Oct 2013 11:44:37 -0700 (PDT) Message-ID: <52530108.2000505@redhat.com> Date: Mon, 07 Oct 2013 14:44:24 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 28/63] sched: Remove check that skips small VMAs References: <1381141781-10992-1-git-send-email-mgorman@suse.de> <1381141781-10992-29-git-send-email-mgorman@suse.de> In-Reply-To: <1381141781-10992-29-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Peter Zijlstra , Srikar Dronamraju , Ingo Molnar , Andrea Arcangeli , Johannes Weiner , Linux-MM , LKML On 10/07/2013 06:29 AM, Mel Gorman wrote: > task_numa_work skips small VMAs. At the time the logic was to reduce the > scanning overhead which was considerable. It is a dubious hack at best. > It would make much more sense to cache where faults have been observed > and only rescan those regions during subsequent PTE scans. Remove this > hack as motivation to do it properly in the future. > > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed -- 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