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From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	xfs@oss.sgi.com, Linux-MM <linux-mm@kvack.org>,
	Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	ppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur
Date: Thu, 12 Mar 2015 18:49:26 +0000	[thread overview]
Message-ID: <20150312184925.GH3406@suse.de> (raw)
In-Reply-To: <CA+55aFx=81BGnQFNhnAGu6CetL7yifPsnD-+v7Y6QRqwgH47gQ@mail.gmail.com>

On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote:
> On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman <mgorman@suse.de> 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.

_______________________________________________
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xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	xfs@oss.sgi.com, Linux-MM <linux-mm@kvack.org>,
	Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	ppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur
Date: Thu, 12 Mar 2015 18:49:26 +0000	[thread overview]
Message-ID: <20150312184925.GH3406@suse.de> (raw)
In-Reply-To: <CA+55aFx=81BGnQFNhnAGu6CetL7yifPsnD-+v7Y6QRqwgH47gQ@mail.gmail.com>

On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote:
> On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman <mgorman@suse.de> 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.

WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>,
	Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	xfs@oss.sgi.com, ppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur
Date: Thu, 12 Mar 2015 18:49:26 +0000	[thread overview]
Message-ID: <20150312184925.GH3406@suse.de> (raw)
In-Reply-To: <CA+55aFx=81BGnQFNhnAGu6CetL7yifPsnD-+v7Y6QRqwgH47gQ@mail.gmail.com>

On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote:
> On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman <mgorman@suse.de> 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.

--
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>,
	Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	xfs@oss.sgi.com, ppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur
Date: Thu, 12 Mar 2015 18:49:26 +0000	[thread overview]
Message-ID: <20150312184925.GH3406@suse.de> (raw)
In-Reply-To: <CA+55aFx=81BGnQFNhnAGu6CetL7yifPsnD-+v7Y6QRqwgH47gQ@mail.gmail.com>

On Thu, Mar 12, 2015 at 09:20:36AM -0700, Linus Torvalds wrote:
> On Thu, Mar 12, 2015 at 6:10 AM, Mel Gorman <mgorman@suse.de> 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.

  reply	other threads:[~2015-03-12 18:49 UTC|newest]

Thread overview: 195+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-07 15:20 [RFC PATCH 0/4] Automatic NUMA balancing and PROT_NONE handling followup v2r8 Mel Gorman
2015-03-07 15:20 ` Mel Gorman
2015-03-07 15:20 ` Mel Gorman
2015-03-07 15:20 ` Mel Gorman
2015-03-07 15:20 ` [PATCH 1/4] mm: thp: Return the correct value for change_huge_pmd Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 20:13   ` Linus Torvalds
2015-03-07 20:13     ` Linus Torvalds
2015-03-07 20:13     ` Linus Torvalds
2015-03-07 20:13     ` Linus Torvalds
2015-03-07 20:31   ` Linus Torvalds
2015-03-07 20:31     ` Linus Torvalds
2015-03-07 20:31     ` Linus Torvalds
2015-03-07 20:31     ` Linus Torvalds
2015-03-07 20:56     ` Mel Gorman
2015-03-07 20:56       ` Mel Gorman
2015-03-07 20:56       ` Mel Gorman
2015-03-07 20:56       ` Mel Gorman
2015-03-07 15:20 ` [PATCH 2/4] mm: numa: Remove migrate_ratelimited Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20 ` [PATCH 3/4] mm: numa: Mark huge PTEs young when clearing NUMA hinting faults Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 18:33   ` Linus Torvalds
2015-03-07 18:33     ` Linus Torvalds
2015-03-07 18:33     ` Linus Torvalds
2015-03-07 18:33     ` Linus Torvalds
2015-03-07 18:42     ` Linus Torvalds
2015-03-07 18:42       ` Linus Torvalds
2015-03-07 18:42       ` Linus Torvalds
2015-03-07 18:42       ` Linus Torvalds
2015-03-07 15:20 ` [PATCH 4/4] mm: numa: Slow PTE scan rate if migration failures occur Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 15:20   ` Mel Gorman
2015-03-07 16:36   ` Ingo Molnar
2015-03-07 16:36     ` Ingo Molnar
2015-03-07 16:36     ` Ingo Molnar
2015-03-07 16:36     ` Ingo Molnar
2015-03-07 17:37     ` Mel Gorman
2015-03-07 17:37       ` Mel Gorman
2015-03-07 17:37       ` Mel Gorman
2015-03-07 17:37       ` Mel Gorman
2015-03-08  9:54       ` Ingo Molnar
2015-03-08  9:54         ` Ingo Molnar
2015-03-08  9:54         ` Ingo Molnar
2015-03-08  9:54         ` Ingo Molnar
2015-03-07 19:12     ` Linus Torvalds
2015-03-07 19:12       ` Linus Torvalds
2015-03-07 19:12       ` Linus Torvalds
2015-03-07 19:12       ` Linus Torvalds
2015-03-08 10:02       ` Ingo Molnar
2015-03-08 10:02         ` Ingo Molnar
2015-03-08 10:02         ` Ingo Molnar
2015-03-08 10:02         ` Ingo Molnar
2015-03-08 18:35         ` Linus Torvalds
2015-03-08 18:35           ` Linus Torvalds
2015-03-08 18:35           ` Linus Torvalds
2015-03-08 18:35           ` Linus Torvalds
2015-03-08 18:46           ` Linus Torvalds
2015-03-08 18:46             ` Linus Torvalds
2015-03-08 18:46             ` Linus Torvalds
2015-03-08 18:46             ` Linus Torvalds
2015-03-09 11:29           ` Dave Chinner
2015-03-09 11:29             ` Dave Chinner
2015-03-09 11:29             ` Dave Chinner
2015-03-09 11:29             ` Dave Chinner
2015-03-09 16:52             ` Linus Torvalds
2015-03-09 16:52               ` Linus Torvalds
2015-03-09 16:52               ` Linus Torvalds
2015-03-09 16:52               ` Linus Torvalds
2015-03-09 19:19               ` Dave Chinner
2015-03-09 19:19                 ` Dave Chinner
2015-03-09 19:19                 ` Dave Chinner
2015-03-10 23:55                 ` Linus Torvalds
2015-03-10 23:55                   ` Linus Torvalds
2015-03-10 23:55                   ` Linus Torvalds
2015-03-10 23:55                   ` Linus Torvalds
2015-03-12 13:10                   ` Mel Gorman
2015-03-12 13:10                     ` Mel Gorman
2015-03-12 13:10                     ` Mel Gorman
2015-03-12 13:10                     ` Mel Gorman
2015-03-12 16:20                     ` Linus Torvalds
2015-03-12 16:20                       ` Linus Torvalds
2015-03-12 16:20                       ` Linus Torvalds
2015-03-12 16:20                       ` Linus Torvalds
2015-03-12 18:49                       ` Mel Gorman [this message]
2015-03-12 18:49                         ` Mel Gorman
2015-03-12 18:49                         ` Mel Gorman
2015-03-12 18:49                         ` Mel Gorman
2015-03-17  7:06                         ` Dave Chinner
2015-03-17  7:06                           ` Dave Chinner
2015-03-17  7:06                           ` Dave Chinner
2015-03-17  7:06                           ` Dave Chinner
2015-03-17 16:53                           ` Linus Torvalds
2015-03-17 16:53                             ` Linus Torvalds
2015-03-17 16:53                             ` Linus Torvalds
2015-03-17 16:53                             ` Linus Torvalds
2015-03-17 20:51                             ` Dave Chinner
2015-03-17 20:51                               ` Dave Chinner
2015-03-17 20:51                               ` Dave Chinner
2015-03-17 20:51                               ` Dave Chinner
2015-03-17 21:30                               ` Linus Torvalds
2015-03-17 21:30                                 ` Linus Torvalds
2015-03-17 21:30                                 ` Linus Torvalds
2015-03-17 21:30                                 ` Linus Torvalds
2015-03-17 22:08                                 ` Dave Chinner
2015-03-17 22:08                                   ` Dave Chinner
2015-03-17 22:08                                   ` Dave Chinner
2015-03-17 22:08                                   ` Dave Chinner
2015-03-18 16:08                                   ` Linus Torvalds
2015-03-18 16:08                                     ` Linus Torvalds
2015-03-18 16:08                                     ` Linus Torvalds
2015-03-18 16:08                                     ` Linus Torvalds
2015-03-18 17:31                                     ` Linus Torvalds
2015-03-18 17:31                                       ` Linus Torvalds
2015-03-18 17:31                                       ` Linus Torvalds
2015-03-18 17:31                                       ` Linus Torvalds
2015-03-18 22:23                                       ` Dave Chinner
2015-03-18 22:23                                         ` Dave Chinner
2015-03-18 22:23                                         ` Dave Chinner
2015-03-18 22:23                                         ` Dave Chinner
2015-03-19 14:10                                       ` Mel Gorman
2015-03-19 14:10                                         ` Mel Gorman
2015-03-19 14:10                                         ` Mel Gorman
2015-03-19 14:10                                         ` Mel Gorman
2015-03-19 18:09                                         ` Linus Torvalds
2015-03-19 18:09                                           ` Linus Torvalds
2015-03-19 18:09                                           ` Linus Torvalds
2015-03-19 18:09                                           ` Linus Torvalds
2015-03-19 21:41                                       ` Linus Torvalds
2015-03-19 21:41                                         ` Linus Torvalds
2015-03-19 21:41                                         ` Linus Torvalds
2015-03-19 21:41                                         ` Linus Torvalds
2015-03-19 22:41                                         ` Dave Chinner
2015-03-19 22:41                                           ` Dave Chinner
2015-03-19 22:41                                           ` Dave Chinner
2015-03-19 22:41                                           ` Dave Chinner
2015-03-19 23:05                                           ` Linus Torvalds
2015-03-19 23:05                                             ` Linus Torvalds
2015-03-19 23:05                                             ` Linus Torvalds
2015-03-19 23:05                                             ` Linus Torvalds
2015-03-19 23:23                                             ` Dave Chinner
2015-03-19 23:23                                               ` Dave Chinner
2015-03-19 23:23                                               ` Dave Chinner
2015-03-19 23:23                                               ` Dave Chinner
2015-03-20  0:23                                             ` Dave Chinner
2015-03-20  0:23                                               ` Dave Chinner
2015-03-20  0:23                                               ` Dave Chinner
2015-03-20  0:23                                               ` Dave Chinner
2015-03-20  1:29                                               ` Linus Torvalds
2015-03-20  1:29                                                 ` Linus Torvalds
2015-03-20  1:29                                                 ` Linus Torvalds
2015-03-20  1:29                                                 ` Linus Torvalds
2015-03-20  4:13                                                 ` Dave Chinner
2015-03-20  4:13                                                   ` Dave Chinner
2015-03-20  4:13                                                   ` Dave Chinner
2015-03-20  4:13                                                   ` Dave Chinner
2015-03-20 17:02                                                   ` Linus Torvalds
2015-03-20 17:02                                                     ` Linus Torvalds
2015-03-20 17:02                                                     ` Linus Torvalds
2015-03-20 17:02                                                     ` Linus Torvalds
2015-03-23 12:01                                                     ` Mel Gorman
2015-03-23 12:01                                                       ` Mel Gorman
2015-03-23 12:01                                                       ` Mel Gorman
2015-03-23 12:01                                                       ` Mel Gorman
2015-03-20 10:12                                                 ` Mel Gorman
2015-03-20 10:12                                                   ` Mel Gorman
2015-03-20 10:12                                                   ` Mel Gorman
2015-03-20 10:12                                                   ` Mel Gorman
2015-03-20  9:56                                             ` Mel Gorman
2015-03-20  9:56                                               ` Mel Gorman
2015-03-20  9:56                                               ` Mel Gorman
2015-03-20  9:56                                               ` Mel Gorman
2015-03-08 20:40         ` Mel Gorman
2015-03-08 20:40           ` Mel Gorman
2015-03-08 20:40           ` Mel Gorman
2015-03-08 20:40           ` Mel Gorman
2015-03-09 21:02           ` Mel Gorman
2015-03-09 21:02             ` Mel Gorman
2015-03-09 21:02             ` Mel Gorman
2015-03-09 21:02             ` Mel Gorman
2015-03-10 13:08             ` Mel Gorman
2015-03-10 13:08               ` Mel Gorman
2015-03-10 13:08               ` Mel Gorman
2015-03-10 13:08               ` Mel Gorman
2015-03-08  9:41   ` Ingo Molnar
2015-03-08  9:41     ` Ingo Molnar
2015-03-08  9:41     ` Ingo Molnar
2015-03-08  9:41     ` Ingo Molnar

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