From: "Stephen C. Tweedie" <sct@redhat.com>
To: Jeff Dike <jdike@karaya.com>
Cc: lars brinkhoff <lars.brinkhoff@intermec.com>,
lk@tantalophile.demon.co.uk, cel@monkey.org, linux-mm@kvack.org,
Stephen Tweedie <sct@redhat.com>
Subject: Re: madvise (MADV_FREE)
Date: Fri, 24 Mar 2000 17:08:28 +0000 [thread overview]
Message-ID: <20000324170828.C3693@redhat.com> (raw)
In-Reply-To: <200003241742.MAA02123@ccure.karaya.com>; from jdike@karaya.com on Fri, Mar 24, 2000 at 12:42:18PM -0500
Hi,
On Fri, Mar 24, 2000 at 12:42:18PM -0500, Jeff Dike wrote:
>
> Maybe on arches where the hardware provides those bits and the kernel uses
> them, but the i386 kernel doesn't.
Sure it does. It relies utterly on them. It uses the accessed bit to
perform page aging, and it uses the dirty bit to distinguish between
private and shared pages on writable private vmas, or to mark dirty shared
pages on shared vmas.
--Stephen
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next prev parent reply other threads:[~2000-03-24 17:08 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20000320135939.A3390@pcep-jamie.cern.ch>
2000-03-20 19:09 ` MADV_SPACEAVAIL and MADV_FREE in pre2-3 Chuck Lever
2000-03-21 1:20 ` madvise (MADV_FREE) Jamie Lokier
2000-03-21 2:24 ` William J. Earl
2000-03-21 14:08 ` Jamie Lokier
2000-03-22 16:24 ` Chuck Lever
2000-03-22 18:05 ` Jamie Lokier
2000-03-22 21:39 ` Chuck Lever
2000-03-22 22:31 ` Jamie Lokier
2000-03-22 22:44 ` Stephen C. Tweedie
2000-03-23 18:53 ` Chuck Lever
2000-03-24 0:00 ` /dev/recycle Jamie Lokier
2000-03-24 9:14 ` /dev/recycle Christoph Rohland
2000-03-24 13:10 ` /dev/recycle Jamie Lokier
2000-03-24 13:54 ` /dev/recycle Christoph Rohland
2000-03-24 14:17 ` /dev/recycle Jamie Lokier
2000-03-24 17:40 ` /dev/recycle Christoph Rohland
2000-03-24 18:13 ` /dev/recycle Jamie Lokier
2000-03-25 8:35 ` /dev/recycle Christoph Rohland
2000-03-28 0:48 ` /dev/recycle Chuck Lever
2000-03-24 0:21 ` madvise (MADV_FREE) Jamie Lokier
2000-03-24 7:21 ` lars brinkhoff
2000-03-24 17:42 ` Jeff Dike
2000-03-24 16:49 ` Jamie Lokier
2000-03-24 17:08 ` Stephen C. Tweedie [this message]
2000-03-24 19:58 ` Jeff Dike
2000-03-25 0:30 ` Stephen C. Tweedie
2000-03-22 22:33 ` Stephen C. Tweedie
2000-03-22 22:45 ` Jamie Lokier
2000-03-22 22:48 ` Stephen C. Tweedie
2000-03-22 22:55 ` Q. about swap-cache orphans Jamie Lokier
2000-03-22 22:58 ` Stephen C. Tweedie
2000-03-22 18:15 ` madvise (MADV_FREE) Christoph Rohland
2000-03-22 18:30 ` Jamie Lokier
2000-03-23 16:56 ` Christoph Rohland
2000-03-21 1:29 ` MADV_DONTNEED Jamie Lokier
2000-03-22 17:04 ` MADV_DONTNEED Chuck Lever
2000-03-22 17:10 ` MADV_DONTNEED Stephen C. Tweedie
2000-03-22 17:32 ` MADV_DONTNEED Jamie Lokier
2000-03-22 17:33 ` MADV_DONTNEED Jamie Lokier
2000-03-22 17:37 ` MADV_DONTNEED Stephen C. Tweedie
2000-03-22 17:43 ` MADV_DONTNEED Jamie Lokier
2000-03-22 21:54 ` MADV_DONTNEED Chuck Lever
2000-03-22 22:41 ` MADV_DONTNEED Jamie Lokier
2000-03-23 19:13 ` MADV_DONTNEED James Antill
2000-03-21 1:47 ` Extensions to mincore Jamie Lokier
2000-03-21 9:11 ` Eric W. Biederman
2000-03-21 9:40 ` lars brinkhoff
2000-03-21 11:34 ` Stephen C. Tweedie
2000-03-21 15:15 ` Jamie Lokier
2000-03-21 15:41 ` Stephen C. Tweedie
2000-03-21 15:55 ` Jamie Lokier
2000-03-21 16:08 ` Stephen C. Tweedie
2000-03-21 16:48 ` Jamie Lokier
2000-03-22 7:36 ` Eric W. Biederman
2000-03-21 1:50 ` MADV flags as mmap options Jamie Lokier
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