From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752184AbbCLStg (ORCPT ); Thu, 12 Mar 2015 14:49:36 -0400 Received: from cantor2.suse.de ([195.135.220.15]:33086 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750773AbbCLSte (ORCPT ); Thu, 12 Mar 2015 14:49:34 -0400 Date: Thu, 12 Mar 2015 18:49:26 +0000 From: Mel Gorman To: Linus Torvalds Cc: Dave Chinner , Ingo Molnar , Andrew Morton , Aneesh Kumar , Linux Kernel Mailing List , Linux-MM , xfs@oss.sgi.com, ppc-dev Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur Message-ID: <20150312184925.GH3406@suse.de> References: <20150307163657.GA9702@gmail.com> <20150308100223.GC15487@gmail.com> <20150309112936.GD26657@destitution> <20150309191943.GF26657@destitution> <20150312131045.GE3406@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote: > On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman wrote: > > > > I believe you're correct and it matches what was observed. I'm still > > travelling and wireless is dirt but managed to queue a test using pmd_dirty > > Ok, thanks. > > I'm not entirely happy with that change, and I suspect the whole > heuristic should be looked at much more (maybe it should also look at > whether it's executable, for example), but it's a step in the right > direction. > I can follow up when I'm back in work properly. As you have already pulled this in directly, can you also consider pulling in "mm: thp: return the correct value for change_huge_pmd" please? The other two patches were very minor can be resent through the normal paths later. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id BB4E07F47 for ; Thu, 12 Mar 2015 13:49:55 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay1.corp.sgi.com (Postfix) with ESMTP id 9A66B8F8035 for ; Thu, 12 Mar 2015 11:49:55 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by cuda.sgi.com with ESMTP id mWhonFzGAp6t44wP (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 12 Mar 2015 11:49:34 -0700 (PDT) Date: Thu, 12 Mar 2015 18:49:26 +0000 From: Mel Gorman Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur Message-ID: <20150312184925.GH3406@suse.de> References: <20150307163657.GA9702@gmail.com> <20150308100223.GC15487@gmail.com> <20150309112936.GD26657@destitution> <20150309191943.GF26657@destitution> <20150312131045.GE3406@suse.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Linus Torvalds Cc: Linux Kernel Mailing List , xfs@oss.sgi.com, Linux-MM , Aneesh Kumar , Andrew Morton , ppc-dev , Ingo Molnar On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote: > On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman wrote: > > > > I believe you're correct and it matches what was observed. I'm still > > travelling and wireless is dirt but managed to queue a test using pmd_dirty > > Ok, thanks. > > I'm not entirely happy with that change, and I suspect the whole > heuristic should be looked at much more (maybe it should also look at > whether it's executable, for example), but it's a step in the right > direction. > I can follow up when I'm back in work properly. As you have already pulled this in directly, can you also consider pulling in "mm: thp: return the correct value for change_huge_pmd" please? The other two patches were very minor can be resent through the normal paths later. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs 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 7DC236B0082 for ; Thu, 12 Mar 2015 14:49:35 -0400 (EDT) Received: by wiwl15 with SMTP id l15so205863wiw.0 for ; Thu, 12 Mar 2015 11:49:34 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id y6si2666627wiv.123.2015.03.12.11.49.33 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 12 Mar 2015 11:49:33 -0700 (PDT) Date: Thu, 12 Mar 2015 18:49:26 +0000 From: Mel Gorman Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur Message-ID: <20150312184925.GH3406@suse.de> References: <20150307163657.GA9702@gmail.com> <20150308100223.GC15487@gmail.com> <20150309112936.GD26657@destitution> <20150309191943.GF26657@destitution> <20150312131045.GE3406@suse.de> 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: Linus Torvalds Cc: Dave Chinner , Ingo Molnar , Andrew Morton , Aneesh Kumar , Linux Kernel Mailing List , Linux-MM , xfs@oss.sgi.com, ppc-dev On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote: > On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman wrote: > > > > I believe you're correct and it matches what was observed. I'm still > > travelling and wireless is dirt but managed to queue a test using pmd_dirty > > Ok, thanks. > > I'm not entirely happy with that change, and I suspect the whole > heuristic should be looked at much more (maybe it should also look at > whether it's executable, for example), but it's a step in the right > direction. > I can follow up when I'm back in work properly. As you have already pulled this in directly, can you also consider pulling in "mm: thp: return the correct value for change_huge_pmd" please? The other two patches were very minor can be resent through the normal paths later. -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) (using TLSv1 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id F12E91A078D for ; Fri, 13 Mar 2015 05:49:36 +1100 (AEDT) Date: Thu, 12 Mar 2015 18:49:26 +0000 From: Mel Gorman To: Linus Torvalds Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur Message-ID: <20150312184925.GH3406@suse.de> References: <20150307163657.GA9702@gmail.com> <20150308100223.GC15487@gmail.com> <20150309112936.GD26657@destitution> <20150309191943.GF26657@destitution> <20150312131045.GE3406@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 In-Reply-To: Cc: Dave Chinner , Linux Kernel Mailing List , xfs@oss.sgi.com, Linux-MM , Aneesh Kumar , Andrew Morton , ppc-dev , Ingo Molnar List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote: > On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman wrote: > > > > I believe you're correct and it matches what was observed. I'm still > > travelling and wireless is dirt but managed to queue a test using pmd_dirty > > Ok, thanks. > > I'm not entirely happy with that change, and I suspect the whole > heuristic should be looked at much more (maybe it should also look at > whether it's executable, for example), but it's a step in the right > direction. > I can follow up when I'm back in work properly. As you have already pulled this in directly, can you also consider pulling in "mm: thp: return the correct value for change_huge_pmd" please? The other two patches were very minor can be resent through the normal paths later.