From: Christoph Lameter <clameter@sgi.com>
To: Rik van Riel <riel@redhat.com>
Cc: Andy Whitcroft <apw@shadowen.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Mel Gorman <mel@skynet.ie>, David Chinner <dgc@sgi.com>
Subject: Re: [RFC 13/26] SLUB: Add SlabReclaimable() to avoid repeated reclaim attempts
Date: Wed, 19 Sep 2007 11:00:53 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0709191100260.11882@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <46F13B6C.7020501@redhat.com>
On Wed, 19 Sep 2007, Rik van Riel wrote:
> Why is it safe to not use the normal page flag bit operators
> for these page flags operations?
Because SLUB always modifies page flags under PageLock.
next prev parent reply other threads:[~2007-09-19 18:00 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-01 1:41 [RFC 00/26] Slab defragmentation V5 Christoph Lameter
2007-09-01 1:41 ` [RFC 01/26] SLUB: Extend slabinfo to support -D and -C options Christoph Lameter
2007-09-01 1:41 ` [RFC 02/26] SLUB: Move count_partial() Christoph Lameter
2007-09-01 1:41 ` [RFC 03/26] SLUB: Rename NUMA defrag_ratio to remote_node_defrag_ratio Christoph Lameter
2007-09-01 1:41 ` [RFC 04/26] SLUB: Add defrag_ratio field and sysfs support Christoph Lameter
2007-09-01 1:41 ` [RFC 05/26] SLUB: Replace ctor field with ops field in /sys/slab/:0000008 /sys/slab/:0000016 /sys/slab/:0000024 /sys/slab/:0000032 /sys/slab/:0000040 /sys/slab/:0000048 /sys/slab/:0000056 /sys/slab/:0000064 /sys/slab/:0000072 /sys/slab/:0000080 /sys/slab/:0000088 /sys/slab/:0000096 /sys/slab/:0000104 /sys/slab/:0000128 /sys/slab/:0000144 /sys/slab/:0000184 /sys/slab/:0000192 /sys/slab/:0000216 /sys/slab/:0000256 /sys/slab/:0000344 /sys/slab/:0000384 /sys/slab/:0000448 /sys/slab/:0000512 /sys/slab/:0000768 /sys/slab/:0000920 /sys/slab/:0001024 /sys/slab/:0001152 /sys/slab/:0001344 /sys/slab/:0001536 /sys/slab/:0002048 /sys/slab/:0003072 /sys/slab/:0004096 /sys/slab/:a-0000056 /sys/slab/:a-0000080 /sys/slab/:a-0000128 /sys/slab/Acpi-Namespace /sys/slab/Acpi-Operand /sys/slab/Acpi-Pa rse /sys/slab/Acpi-ParseExt /sys/slab/Acpi-State /sys/slab/RAW /sys/slab/TCP /sys/slab/UDP /sys/sl Christoph Lameter
2007-09-01 1:41 ` [RFC 06/26] SLUB: Add get() and kick() methods Christoph Lameter
2007-09-01 1:41 ` [RFC 07/26] SLUB: Sort slab cache list and establish maximum objects for defrag slabs Christoph Lameter
2007-09-01 1:41 ` [RFC 08/26] SLUB: Consolidate add_partial and add_partial_tail to one function Christoph Lameter
2007-09-01 1:41 ` [RFC 09/26] SLUB: Slab defrag core Christoph Lameter
2007-09-01 1:41 ` [RFC 10/26] SLUB: Trigger defragmentation from memory reclaim Christoph Lameter
2007-09-01 1:41 ` [RFC 11/26] VM: Allow get_page_unless_zero on compound pages Christoph Lameter
2007-09-01 1:41 ` [RFC 12/26] SLUB: Slab reclaim through Lumpy reclaim Christoph Lameter
2007-09-01 1:41 ` [RFC 13/26] SLUB: Add SlabReclaimable() to avoid repeated reclaim attempts Christoph Lameter
2007-09-19 15:08 ` Rik van Riel
2007-09-19 18:00 ` Christoph Lameter [this message]
2007-09-01 1:41 ` [RFC 14/26] SLUB: __GFP_MOVABLE and SLAB_TEMPORARY support Christoph Lameter
2007-09-01 2:04 ` KAMEZAWA Hiroyuki
2007-09-01 2:07 ` Christoph Lameter
2007-09-01 1:41 ` [RFC 15/26] bufferhead: Revert constructor removal Christoph Lameter
2007-09-01 1:41 ` [RFC 16/26] Buffer heads: Support slab defrag Christoph Lameter
2007-09-01 1:41 ` [RFC 17/26] inodes: Support generic defragmentation Christoph Lameter
2007-09-01 1:41 ` [RFC 18/26] FS: ExtX filesystem defrag Christoph Lameter
2007-09-01 9:48 ` Jeff Garzik
2007-09-02 11:37 ` Christoph Lameter
2007-09-01 1:41 ` [RFC 19/26] FS: XFS slab defragmentation Christoph Lameter
2007-09-01 1:41 ` [RFC 20/26] FS: Proc filesystem support for slab defrag Christoph Lameter
2007-09-01 1:41 ` [RFC 21/26] FS: Slab defrag: Reiserfs support Christoph Lameter
2007-09-01 1:41 ` [RFC 22/26] FS: Socket inode defragmentation Christoph Lameter
2007-09-01 1:41 ` [RFC 23/26] dentries: Extract common code to remove dentry from lru Christoph Lameter
2007-09-01 1:41 ` [RFC 24/26] dentries: Add constructor Christoph Lameter
2007-09-01 1:41 ` [RFC 25/26] dentries: dentry defragmentation Christoph Lameter
2007-09-01 1:41 ` [RFC 26/26] SLUB: Add debugging for slab defrag Christoph Lameter
2007-09-06 20:34 ` [RFC 00/26] Slab defragmentation V5 Jörn Engel
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