From: Davide Libenzi <davidel@xmailserver.org>
To: Rik van Riel <riel@conectiva.com.br>
Cc: torvalds@transmeta.com, Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org, Andrea Arcangeli <andrea@suse.de>,
Manfred Spraul <manfred@colorfullife.com>
Subject: Re: Purpose of the mm/slab.c changes
Date: Sun, 09 Sep 2001 13:44:44 -0700 (PDT) [thread overview]
Message-ID: <XFMail.20010909134444.davidel@xmailserver.org> (raw)
In-Reply-To: <Pine.LNX.4.33L.0109091722060.21049-100000@duckman.distro.conectiva>
On 09-Sep-2001 Rik van Riel wrote:
> On Sun, 9 Sep 2001, Manfred Spraul wrote:
>
>> > it provides lifo allocations from both partial and unused slabs.
>>
>> lifo/fifo for unused slabs is obviously superflous - free is
>> free, it doesn't matter which free page is used first/last.
>
> Mind that the L2 cache is often as much as 10 times faster
> than RAM, so it would be nice if we had a good chance that
> the slab we just allocated would be in L2 cache.
Do You see it as a plus ?
The new allocated slab will be very likely written ( w/o regard about the old content )
and an L2 mapping will generate invalidate traffic.
- Davide
next prev parent reply other threads:[~2001-09-09 20:42 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-09 11:05 Purpose of the mm/slab.c changes Manfred Spraul
2001-09-09 14:26 ` Andrea Arcangeli
2001-09-09 15:18 ` Manfred Spraul
2001-09-09 15:33 ` Andrea Arcangeli
2001-09-11 18:41 ` Manfred Spraul
2001-09-11 19:36 ` Andrea Arcangeli
2001-09-11 20:43 ` Manfred Spraul
2001-09-12 14:18 ` Andrea Arcangeli
2001-09-09 16:12 ` Alan Cox
2001-09-09 16:25 ` Linus Torvalds
2001-09-09 16:47 ` Alan Cox
2001-09-09 16:55 ` Manfred Spraul
2001-09-09 17:01 ` Linus Torvalds
2001-09-09 17:22 ` Manfred Spraul
2001-09-09 17:27 ` arjan
2001-09-09 17:35 ` Andrea Arcangeli
2001-09-09 17:30 ` Andrea Arcangeli
2001-09-09 17:59 ` Fwd: 2.4.10-pre6 ramdisk driver broken? won't compile Stephan Gutschke
2001-09-09 20:26 ` Purpose of the mm/slab.c changes Rik van Riel
2001-09-15 0:29 ` Albert D. Cahalan
2001-09-09 20:23 ` Rik van Riel
2001-09-09 20:44 ` Davide Libenzi [this message]
2001-09-09 20:45 ` Rik van Riel
2001-09-09 20:58 ` Davide Libenzi
2001-09-22 12:28 ` Ralf Baechle
2001-09-22 21:03 ` Davide Libenzi
2001-09-22 21:36 ` David S. Miller
2001-09-10 2:28 ` Daniel Phillips
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=XFMail.20010909134444.davidel@xmailserver.org \
--to=davidel@xmailserver.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=andrea@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=manfred@colorfullife.com \
--cc=riel@conectiva.com.br \
--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 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.