From: torvalds@transmeta.com (Linus Torvalds)
To: linux-kernel@vger.kernel.org
Subject: Re: Google's mm problem - not reproduced on 2.4.13
Date: Sat, 3 Nov 2001 00:16:46 +0000 (UTC) [thread overview]
Message-ID: <9rvd1e$vk$1@penguin.transmeta.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0111021250560.20078-100000@penguin.transmeta.com> <Pine.LNX.4.33.0111021303060.20128-100000@penguin.transmeta.com> <20011102222754.2366f1f5.skraw@ithnet.com>
In article <20011102222754.2366f1f5.skraw@ithnet.com>,
Stephan von Krawczynski <skraw@ithnet.com> wrote:
>
>> - /* Don't swap out areas which are locked down */
>> - if (vma->vm_flags & (VM_LOCKED|VM_RESERVED))
>> + /* Don't swap out areas which are reserved */
>> + if (vma->vm_flags & VM_RESERVED)
>> return count;
>
>Although I agree what you said about differences of old and new VM, I believe
>the above was not really what Ben intended to do by mlocking. I mean, you swap
>them out right now, or not?
Not. See where I added the VM_LOCKED test - deep down in the page-out
code it will decide that a VM_LOCKED page is always accessed, and will
move it to the active list instead of swapping it out.
Linus
next prev parent reply other threads:[~2001-11-03 0:20 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.33.0111021250560.20078-100000@penguin.transmeta.com>
2001-11-02 21:13 ` Google's mm problem - not reproduced on 2.4.13 Linus Torvalds
2001-11-02 21:27 ` Stephan von Krawczynski
2001-11-03 0:16 ` Linus Torvalds [this message]
2001-10-31 18:06 Daniel Phillips
2001-10-31 20:39 ` Daniel Phillips
2001-10-31 20:45 ` Andrea Arcangeli
2001-10-31 21:03 ` Daniel Phillips
2001-10-31 21:53 ` Andreas Dilger
2001-11-01 4:52 ` Daniel Phillips
2001-10-31 22:12 ` Ben Smith
2001-11-01 0:34 ` Andrea Arcangeli
2001-11-02 17:51 ` Sven Heinicke
2001-11-02 18:00 ` Andrea Arcangeli
2001-11-02 18:19 ` Daniel Phillips
2001-11-02 20:27 ` Linus Torvalds
2001-11-02 21:08 ` Ben Smith
2001-11-02 21:20 ` Linus Torvalds
2001-11-02 22:42 ` Ben Smith
2001-11-02 23:15 ` Daniel Phillips
2001-11-02 21:12 ` Rik van Riel
[not found] ` <200111022027.fA2KRwe20006@penguin.transmeta.com>
2001-11-02 20:58 ` Daniel Phillips
2001-11-02 18:11 ` Daniel Phillips
2001-11-02 18:48 ` Sven Heinicke
2001-11-02 18:57 ` Daniel Phillips
2001-11-01 0:19 ` Daniel Phillips
2001-11-01 0:29 ` Andrea Arcangeli
2001-11-01 1:17 ` Ben Smith
2001-11-01 1:41 ` Rik van Riel
2001-11-01 1:55 ` Ben Smith
2001-11-01 2:06 ` Andrea Arcangeli
2001-10-31 20:48 ` Rik van Riel
2001-10-31 21:04 ` Daniel Phillips
2001-10-31 21:08 ` Rik van Riel
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