From: Pekka Enberg <penberg@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>,
"Mike Frysinger" <vapier.adi@gmail.com>,
"KOSAKI Motohiro" <kosaki.motohiro@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org,
"Paul E. McKenney" <paul.mckenney@linaro.org>
Subject: Re: 2.6.39-rc4+: Kernel leaking memory during FS scanning, regression?
Date: Mon, 25 Apr 2011 20:51:01 +0300 [thread overview]
Message-ID: <BANLkTikSEg-+4==08FSTpPsRKOxW-o7ftg@mail.gmail.com> (raw)
In-Reply-To: <BANLkTi=d0UHrYXyTK0CBZYCSK-ax8+wuWQ@mail.gmail.com>
On Mon, Apr 25, 2011 at 6:22 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> (Pekka? This is a real _problem_. The whole "confused debugging" is
> wasting a lot of peoples time. Can we please try to get slabinfo
> statistics work right for the merged state. Or perhaps decide to just
> not merge at all?)
I sent proof of concept patches that hopefully fix SLUB statistics for
merged case. Lets see what Christoph and David think of them and if
it's a dead end, I'd be inclined to rip out slab merging
completely....
Pekka
WARNING: multiple messages have this Message-ID (diff)
From: Pekka Enberg <penberg@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>,
"Mike Frysinger" <vapier.adi@gmail.com>,
"KOSAKI Motohiro" <kosaki.motohiro@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org,
"Paul E. McKenney" <paul.mckenney@linaro.org>
Subject: Re: 2.6.39-rc4+: Kernel leaking memory during FS scanning, regression?
Date: Mon, 25 Apr 2011 20:51:01 +0300 [thread overview]
Message-ID: <BANLkTikSEg-+4==08FSTpPsRKOxW-o7ftg@mail.gmail.com> (raw)
In-Reply-To: <BANLkTi=d0UHrYXyTK0CBZYCSK-ax8+wuWQ@mail.gmail.com>
On Mon, Apr 25, 2011 at 6:22 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> (Pekka? This is a real _problem_. The whole "confused debugging" is
> wasting a lot of peoples time. Can we please try to get slabinfo
> statistics work right for the merged state. Or perhaps decide to just
> not merge at all?)
I sent proof of concept patches that hopefully fix SLUB statistics for
merged case. Lets see what Christoph and David think of them and if
it's a dead end, I'd be inclined to rip out slab merging
completely....
Pekka
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next prev parent reply other threads:[~2011-04-25 17:51 UTC|newest]
Thread overview: 184+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-24 18:21 2.6.39-rc4+: Kernel leaking memory during FS scanning, regression? Bruno Prémont
2011-04-24 21:59 ` Bruno Prémont
2011-04-24 21:59 ` Bruno Prémont
2011-04-25 2:42 ` KOSAKI Motohiro
2011-04-25 2:42 ` KOSAKI Motohiro
2011-04-25 7:47 ` Mike Frysinger
2011-04-25 7:47 ` Mike Frysinger
2011-04-25 9:17 ` Bruno Prémont
2011-04-25 9:17 ` Bruno Prémont
2011-04-25 9:25 ` Pekka Enberg
2011-04-25 9:25 ` Pekka Enberg
2011-04-25 10:34 ` Bruno Prémont
2011-04-25 10:34 ` Bruno Prémont
2011-04-25 11:41 ` Bruno Prémont
2011-04-25 11:41 ` Bruno Prémont
2011-04-25 11:47 ` Pekka Enberg
2011-04-25 11:47 ` Pekka Enberg
2011-04-25 12:11 ` Bruno Prémont
2011-04-25 12:11 ` Bruno Prémont
2011-04-25 12:14 ` Tetsuo Handa
2011-04-25 12:14 ` Tetsuo Handa
2011-04-25 12:21 ` Tetsuo Handa
2011-04-25 12:21 ` Tetsuo Handa
2011-04-25 15:22 ` Linus Torvalds
2011-04-25 15:22 ` Linus Torvalds
2011-04-25 16:04 ` Bruno Prémont
2011-04-25 16:31 ` Linus Torvalds
2011-04-25 16:31 ` Linus Torvalds
2011-04-25 17:00 ` Bruno Prémont
2011-04-25 17:10 ` Linus Torvalds
2011-04-25 17:10 ` Linus Torvalds
2011-04-25 17:20 ` Linus Torvalds
2011-04-25 17:20 ` Linus Torvalds
2011-04-25 18:36 ` Bruno Prémont
2011-04-25 18:36 ` Bruno Prémont
2011-04-25 19:16 ` Paul E. McKenney
2011-04-25 19:16 ` Paul E. McKenney
2011-04-25 19:16 ` Paul E. McKenney
2011-04-25 21:10 ` Bruno Prémont
2011-04-25 21:26 ` Paul E. McKenney
2011-04-25 21:26 ` Paul E. McKenney
2011-04-25 21:30 ` Linus Torvalds
2011-04-25 21:30 ` Linus Torvalds
2011-04-25 21:49 ` Paul E. McKenney
2011-04-25 21:49 ` Paul E. McKenney
2011-04-25 21:49 ` Paul E. McKenney
2011-04-26 6:19 ` Bruno Prémont
2011-04-26 6:19 ` Bruno Prémont
2011-04-26 11:27 ` Paul E. McKenney
2011-04-26 11:27 ` Paul E. McKenney
2011-04-26 11:27 ` Paul E. McKenney
2011-04-26 16:38 ` Bruno Prémont
2011-04-26 17:09 ` Bruno Prémont
2011-04-26 17:09 ` Bruno Prémont
2011-04-26 17:18 ` Linus Torvalds
2011-04-26 17:18 ` Linus Torvalds
2011-04-26 22:28 ` Thomas Gleixner
2011-04-26 22:28 ` Thomas Gleixner
2011-04-27 6:15 ` Bruno Prémont
2011-04-27 6:15 ` Bruno Prémont
2011-04-27 18:41 ` Bruno Prémont
2011-04-27 19:16 ` Pádraig Brady
2011-04-27 19:16 ` Pádraig Brady
2011-04-27 19:16 ` Pádraig Brady
2011-04-27 19:34 ` Bruno Prémont
2011-04-27 19:34 ` Bruno Prémont
2011-04-27 22:05 ` Paul E. McKenney
2011-04-27 22:05 ` Paul E. McKenney
2011-04-27 22:05 ` Paul E. McKenney
2011-04-27 20:40 ` Bruno Prémont
2011-04-27 20:40 ` Bruno Prémont
2011-04-27 20:40 ` Bruno Prémont
2011-04-27 22:07 ` Paul E. McKenney
2011-04-27 22:07 ` Paul E. McKenney
2011-04-27 22:07 ` Paul E. McKenney
2011-04-28 6:10 ` Bruno Prémont
2011-04-28 6:10 ` Bruno Prémont
2011-04-28 6:10 ` Bruno Prémont
2011-04-27 22:06 ` Thomas Gleixner
2011-04-27 22:06 ` Thomas Gleixner
2011-04-27 22:27 ` Paul E. McKenney
2011-04-27 22:27 ` Paul E. McKenney
2011-04-27 22:32 ` Thomas Gleixner
2011-04-27 22:32 ` Thomas Gleixner
2011-04-27 22:59 ` Paul E. McKenney
2011-04-27 22:59 ` Paul E. McKenney
2011-04-27 22:59 ` Paul E. McKenney
2011-04-27 23:28 ` Linus Torvalds
2011-04-27 23:28 ` Linus Torvalds
2011-04-27 23:46 ` Linus Torvalds
2011-04-27 23:46 ` Linus Torvalds
2011-04-28 9:09 ` Thomas Gleixner
2011-04-28 9:09 ` Thomas Gleixner
2011-04-28 9:17 ` Sedat Dilek
2011-04-28 9:17 ` Sedat Dilek
2011-04-28 9:40 ` Thomas Gleixner
2011-04-28 9:40 ` Thomas Gleixner
2011-04-28 10:12 ` Mike Galbraith
2011-04-28 10:12 ` Mike Galbraith
2011-04-28 10:12 ` Mike Galbraith
2011-04-28 9:45 ` Sedat Dilek
2011-04-28 10:26 ` Paul E. McKenney
2011-04-28 10:26 ` Paul E. McKenney
2011-04-28 13:30 ` Mike Galbraith
2011-04-28 13:30 ` Mike Galbraith
2011-04-28 15:28 ` Sedat Dilek
2011-04-28 15:44 ` Sedat Dilek
2011-04-28 15:44 ` Sedat Dilek
2011-04-28 15:48 ` Linus Torvalds
2011-04-28 15:48 ` Linus Torvalds
2011-04-28 18:49 ` Thomas Gleixner
2011-04-28 18:49 ` Thomas Gleixner
2011-04-28 20:23 ` Bruno Prémont
2011-04-28 20:29 ` Thomas Gleixner
2011-04-28 20:29 ` Thomas Gleixner
2011-04-28 20:44 ` Bruno Prémont
2011-04-28 20:44 ` Bruno Prémont
2011-04-28 21:04 ` Thomas Gleixner
2011-04-28 21:04 ` Thomas Gleixner
2011-04-28 21:51 ` john stultz
2011-04-28 21:51 ` john stultz
2011-04-28 21:51 ` john stultz
2011-04-28 22:02 ` Thomas Gleixner
2011-04-28 22:02 ` Thomas Gleixner
2011-04-28 23:06 ` Sedat Dilek
2011-04-28 23:06 ` Sedat Dilek
2011-04-28 23:35 ` Sedat Dilek
2011-04-29 0:42 ` Paul E. McKenney
2011-04-29 0:42 ` Paul E. McKenney
2011-04-29 0:42 ` Paul E. McKenney
2011-04-29 9:34 ` Thomas Gleixner
2011-04-29 9:34 ` Thomas Gleixner
2011-04-29 7:55 ` Sedat Dilek
2011-04-29 7:55 ` Sedat Dilek
2011-04-29 18:09 ` Mike Frysinger
2011-04-29 18:09 ` Mike Frysinger
2011-04-29 18:26 ` Thomas Gleixner
2011-04-29 18:26 ` Thomas Gleixner
2011-04-29 19:31 ` Bruno Prémont
2011-04-29 19:31 ` Bruno Prémont
2011-04-29 20:10 ` Thomas Gleixner
2011-04-29 20:10 ` Thomas Gleixner
2011-04-29 20:14 ` Bruno Prémont
2011-04-29 20:14 ` Bruno Prémont
2011-04-30 9:14 ` Sedat Dilek
2011-04-30 9:14 ` Sedat Dilek
2011-04-28 20:41 ` Sedat Dilek
2011-04-28 19:22 ` Mike Galbraith
2011-04-28 19:22 ` Mike Galbraith
2011-04-27 21:55 ` Paul E. McKenney
2011-04-27 21:55 ` Paul E. McKenney
2011-04-27 21:55 ` Paul E. McKenney
2011-04-28 6:22 ` Bruno Prémont
2011-04-28 6:22 ` Bruno Prémont
2011-04-28 10:26 ` Paul E. McKenney
2011-04-28 10:26 ` Paul E. McKenney
2011-04-28 10:26 ` Paul E. McKenney
2011-04-26 17:12 ` Linus Torvalds
2011-04-26 17:12 ` Linus Torvalds
2011-04-26 17:12 ` Linus Torvalds
2011-04-26 18:50 ` Paul E. McKenney
2011-04-26 18:50 ` Paul E. McKenney
2011-04-26 19:17 ` Sedat Dilek
2011-04-26 19:17 ` Sedat Dilek
2011-04-27 22:02 ` Paul E. McKenney
2011-04-27 22:02 ` Paul E. McKenney
2011-04-27 22:02 ` Paul E. McKenney
2011-04-25 22:08 ` Mike Frysinger
2011-04-25 22:08 ` Mike Frysinger
2011-04-25 17:29 ` Paul E. McKenney
2011-04-25 17:29 ` Paul E. McKenney
2011-04-25 17:29 ` Paul E. McKenney
2011-04-25 18:13 ` Sedat Dilek
2011-04-25 18:13 ` Sedat Dilek
2011-04-25 18:28 ` Paul E. McKenney
2011-04-25 18:28 ` Paul E. McKenney
2011-04-25 18:28 ` Paul E. McKenney
2011-04-25 17:26 ` Paul E. McKenney
2011-04-25 17:26 ` Paul E. McKenney
2011-04-25 17:26 ` Paul E. McKenney
2011-04-27 10:28 ` Catalin Marinas
2011-04-27 10:28 ` Catalin Marinas
2011-04-25 17:51 ` Pekka Enberg [this message]
2011-04-25 17:51 ` Pekka Enberg
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