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Re: vmalloc bugs in 2.4.5???

To: "Tommy S. Christensen" <>
Subject: Re: vmalloc bugs in 2.4.5???
From: Ralf Baechle <>
Date: Thu, 27 Dec 2001 19:19:59 -0200
Cc: Atsushi Nemoto <>,,
In-reply-to: <>; from on Thu, Dec 27, 2001 at 05:01:23PM +0100
References: <> <> <> <> <> <>
User-agent: Mutt/1.2.5i
On Thu, Dec 27, 2001 at 05:01:23PM +0100, Tommy S. Christensen wrote:

> Great! But please make sure that the cache is flushed after the pages
> are allocated instead of before.
> With 2.4.9 that still had the cache-flushing in vmalloc_area_pages(), I
> got cache aliasing problems in low memory situations (since alloc_page()
> will re-schedule when no pages are available).

Correct; I fixed that one.  That's actually a nasty one, affects all
previous Linux releases.  I wonder how this one went unnoticed for so long.
Probably because loading modules is a relativly rare event or so.


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