From: Andrea Arcangeli <andrea@e-mind.com>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Bob Tanner <tanner@real-time.com>, linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: do_try_free_pages failed for python
Date: Thu, 30 Nov 2000 17:29:47 +0100 [thread overview]
Message-ID: <20001130172947.E8189@athlon.random> (raw)
In-Reply-To: <20001129183919.B7640@real-time.com> <Pine.LNX.4.21.0011301405450.26098-100000@duckman.distro.conectiva>
In-Reply-To: <Pine.LNX.4.21.0011301405450.26098-100000@duckman.distro.conectiva>; from riel@conectiva.com.br on Thu, Nov 30, 2000 at 02:06:55PM -0200
On Thu, Nov 30, 2000 at 02:06:55PM -0200, Rik van Riel wrote:
> still had lots of swap free, this may mean that VM
> in 2.2 still has some bugs left ...
I guess it's the free_before_allocate band-aid that hurts in 2.2. That subtle
race condition is fixed efficiently in VM-global with per-process freelist
flushed atomically to the global freelist before allocation, so I'd suggest him
to try to reproduce on VM-global-7.
ftp://ftp.us.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.18pre18/VM-global-2.2.18pre18-7.bz2
Andrea
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next prev parent reply other threads:[~2000-11-30 17:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-29 23:27 Octal vs. Hex war o' death Ian S. Nelson
2000-11-30 0:17 ` Jeff Epler
2000-11-30 0:22 ` H. Peter Anvin
2000-11-30 0:39 ` PROBLEM: do_try_free_pages failed for python Bob Tanner
2000-11-30 16:06 ` Rik van Riel
2000-11-30 16:29 ` Andrea Arcangeli [this message]
2000-11-30 0:43 ` Octal vs. Hex war o' death Alexander Viro
2000-11-30 4:07 ` Igmar Palsenberg
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