All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
	akpm@linux-foundation.org, Christoph Lameter <clameter@sgi.com>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	Mel Gorman <mel@skynet.ie>,
	andi@firstfloor.org, Rik van Riel <riel@redhat.com>,
	mpm@selenic.com, Dave Chinner <david@fromorbit.com>
Subject: Re: [patch 01/19] slub: Add defrag_ratio field and sysfs support.
Date: Tue, 12 Aug 2008 17:40:06 -0700	[thread overview]
Message-ID: <20080813004006.GD22793@kroah.com> (raw)
In-Reply-To: <20080811150653.575096604@quilx.com>

On Mon, Aug 11, 2008 at 08:06:17AM -0700, Christoph Lameter wrote:
> The defrag_ratio is used to set the threshold at which defragmentation
> should be attempted on a slab page.
> 
> The allocation ratio is measured by the percentage of the available slots
> allocated.
> 
> Add a defrag ratio field and set it to 30% by default. A limit of 30% specified
> that less than 3 out of 10 available slots for objects are in use before
> slab defragmeentation runs.

Any new sysfs file should also add documentation in Documentation/ABI.

Please add that to this patch.

thanks,

greg k-h

  reply	other threads:[~2008-08-13  0:46 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-11 15:06 [patch 00/19] Slab Fragmentation Reduction V14 Christoph Lameter
2008-08-11 15:06 ` [patch 01/19] slub: Add defrag_ratio field and sysfs support Christoph Lameter
2008-08-13  0:40   ` Greg KH [this message]
2008-08-11 15:06 ` [patch 02/19] slub: Replace ctor field with ops field in /sys/slab/* Christoph Lameter
2008-08-11 15:06 ` [patch 03/19] slub: Add get() and kick() methods Christoph Lameter
2008-08-11 15:06 ` [patch 04/19] slub: Sort slab cache list and establish maximum objects for defrag slabs Christoph Lameter
2008-08-11 15:06 ` [patch 05/19] slub: Slab defrag core Christoph Lameter
2008-08-11 15:06 ` [patch 06/19] slub: Add KICKABLE to avoid repeated kick() attempts Christoph Lameter
2008-08-11 15:06 ` [patch 07/19] slub: Extend slabinfo to support -D and -F options Christoph Lameter
2008-08-11 15:06 ` [patch 08/19] slub/slabinfo: add defrag statistics Christoph Lameter
2008-08-11 15:06 ` [patch 09/19] slub: Trigger defragmentation from memory reclaim Christoph Lameter
2008-08-11 15:06 ` [patch 10/19] buffer heads: Support slab defrag Christoph Lameter
2008-08-11 15:06 ` [patch 11/19] inodes: Support generic defragmentation Christoph Lameter
2008-08-11 15:06 ` [patch 12/19] Filesystem: Ext2 filesystem defrag Christoph Lameter
2008-08-11 15:06 ` [patch 13/19] Filesystem: Ext3 " Christoph Lameter
2008-08-11 15:06 ` [patch 14/19] Filesystem: Ext4 " Christoph Lameter
2008-08-11 15:06 ` [patch 15/19] Filesystem: XFS slab defragmentation Christoph Lameter
2008-08-12  0:20   ` Dave Chinner
2008-08-12  7:08     ` Pekka Enberg
2008-08-12  7:08       ` Pekka Enberg
2008-08-12 18:21       ` Christoph Lameter
2008-08-13  6:38         ` Pekka Enberg
2008-08-11 15:06 ` [patch 16/19] Filesystem: /proc filesystem support for slab defrag Christoph Lameter
2008-08-11 15:06 ` [patch 17/19] Filesystem: Slab defrag: Reiserfs support Christoph Lameter
2008-08-11 15:06 ` [patch 18/19] dentries: Add constructor Christoph Lameter
2008-08-13  7:12   ` Pekka Enberg
2008-08-11 15:06 ` [patch 19/19] dentries: dentry defragmentation Christoph Lameter
2008-08-12  6:50 ` [patch 00/19] Slab Fragmentation Reduction V14 Pekka Enberg
  -- strict thread matches above, loose matches on Subject: below --
2008-05-10  2:21 [patch 00/19] Slab Fragmentation Reduction V13 Christoph Lameter
2008-05-10  2:21 ` [patch 01/19] slub: Add defrag_ratio field and sysfs support Christoph Lameter

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=20080813004006.GD22793@kroah.com \
    --to=greg@kroah.com \
    --cc=akpm@linux-foundation.org \
    --cc=andi@firstfloor.org \
    --cc=cl@linux-foundation.org \
    --cc=clameter@sgi.com \
    --cc=david@fromorbit.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mel@skynet.ie \
    --cc=mpm@selenic.com \
    --cc=penberg@cs.helsinki.fi \
    --cc=riel@redhat.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.