From: Ralf Baechle <ralf@oss.sgi.com>
To: "Tommy S. Christensen" <tommy.christensen@eicon.com>
Cc: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>,
dony.he@huawei.com, linux-mips@oss.sgi.com
Subject: Re: vmalloc bugs in 2.4.5???
Date: Thu, 27 Dec 2001 19:19:59 -0200 [thread overview]
Message-ID: <20011227191959.B1553@dea.linux-mips.net> (raw)
In-Reply-To: <3C2B45D3.B938CA44@eicon.com>; from tommy.christensen@eicon.com on Thu, Dec 27, 2001 at 05:01:23PM +0100
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.
Ralf
next prev parent reply other threads:[~2001-12-30 23:32 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-05 7:34 vmalloc bugs in 2.4.5??? machael
2001-11-05 7:34 ` machael
2001-11-06 21:08 ` Ralf Baechle
2001-11-07 0:47 ` machael
2001-11-07 0:47 ` machael
2001-11-07 1:39 ` Atsushi Nemoto
2001-11-07 2:09 ` machael
2001-11-07 2:09 ` machael
2001-11-07 10:41 ` Ralf Baechle
2001-11-07 11:29 ` machael
2001-11-07 11:29 ` machael
2001-11-08 15:16 ` Maciej W. Rozycki
2001-12-26 3:32 ` Ralf Baechle
2001-12-27 1:55 ` Atsushi Nemoto
2001-12-27 3:12 ` Ralf Baechle
2001-12-27 3:51 ` Atsushi Nemoto
2001-12-27 4:29 ` Ralf Baechle
2001-12-27 16:01 ` Tommy S. Christensen
2001-12-27 21:19 ` Ralf Baechle [this message]
2001-12-28 0:48 ` machael thailer
2001-12-28 0:48 ` machael thailer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20011227191959.B1553@dea.linux-mips.net \
--to=ralf@oss.sgi.com \
--cc=dony.he@huawei.com \
--cc=linux-mips@oss.sgi.com \
--cc=nemoto@toshiba-tops.co.jp \
--cc=tommy.christensen@eicon.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.