From: Benjamin LaHaise <bcrl@redhat.com>
To: Pavel Machek <pavel@suse.cz>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [bkpatch] do_mmap cleanup
Date: Mon, 11 Mar 2002 14:18:12 -0500 [thread overview]
Message-ID: <20020311141812.A31049@redhat.com> (raw)
In-Reply-To: <20020311120818.A38@toy.ucw.cz>; from pavel@suse.cz on Mon, Mar 11, 2002 at 12:08:18PM +0000
On Mon, Mar 11, 2002 at 12:08:18PM +0000, Pavel Machek wrote:
> Hi!
>
> > Below is a vm cleanup that can be pulled from bk://bcrlbits.bk.net/vm-2.5 .
> > The bulk of the patch is moving the down/up_write on mmap_sem into do_mmap
> > and removing that from all the callers. The patch also includes a fix for
> > do_mmap which caused mapping of the last page in the address space to fail.
>
> Was not that a workaround for CPU bugs?
Not as far as I recall. In fact it is just leading to more and more
duplicated code as every arch writes their own version of the function
to allow mapping that last page. (Cleaning up all the sys_mmap calls
is next.)
-ben
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/
next prev parent reply other threads:[~2002-03-11 19:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-08 23:53 Benjamin LaHaise
2002-03-09 2:15 ` Juan Quintela
2002-03-09 11:14 ` Paul Mackerras
2002-03-09 21:17 ` Juan Quintela
2002-03-11 12:08 ` Pavel Machek
2002-03-11 19:18 ` Benjamin LaHaise [this message]
2002-03-11 20:39 ` Tom Rini
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=20020311141812.A31049@redhat.com \
--to=bcrl@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=pavel@suse.cz \
--cc=torvalds@transmeta.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox