From: Matt Mackall <mpm@selenic.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: akpm@osdl.org, Marcelo Tosatti <marcelo@kvack.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Manfred Spraul <manfred@colorfullife.com>
Subject: Re: [SLUB 2/3] Large kmalloc pass through. Removal of large general slabs
Date: Tue, 6 Mar 2007 20:40:44 -0600 [thread overview]
Message-ID: <20070307024043.GT23311@waste.org> (raw)
In-Reply-To: <20070307023513.19658.81228.sendpatchset@schroedinger.engr.sgi.com>
On Tue, Mar 06, 2007 at 06:35:16PM -0800, Christoph Lameter wrote:
> Unlimited kmalloc size and removal of general caches >=4.
>
> We can directly use the page allocator for all allocations 4K and larger. This
> means that no general slabs are necessary and the size of the allocation passed
> to kmalloc() can be arbitrarily large. Remove the useless general caches over 4k.
I've been meaning to do this in SLOB as well. Perhaps it warrants
doing in stock kmalloc? I've got a grand total of 18 of these objects
here.
The downside is this makes them suddenly disappear off the slabinfo
radar.
--
Mathematics is the supreme nostalgia of our time.
next prev parent reply other threads:[~2007-03-07 2:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-07 2:35 [SLUB 0/3] SLUB: The unqueued slab allocator V4 Christoph Lameter
2007-03-07 2:35 ` [SLUB 1/3] SLUB core Christoph Lameter
2007-03-07 2:35 ` [SLUB 2/3] Large kmalloc pass through. Removal of large general slabs Christoph Lameter
2007-03-07 2:40 ` Matt Mackall [this message]
2007-03-07 3:22 ` Christoph Lameter
2007-03-07 9:01 ` Peter Zijlstra
2007-03-07 15:34 ` Christoph Lameter
2007-03-07 18:03 ` Matt Mackall
2007-03-07 18:23 ` Christoph Lameter
2007-03-07 2:35 ` [SLUB 3/3] Guarantee minimum number of objects in a slab Christoph Lameter
2007-03-08 10:54 ` [SLUB 0/3] SLUB: The unqueued slab allocator V4 Mel Gorman
2007-03-08 16:48 ` Christoph Lameter
2007-03-08 17:40 ` Mel Gorman
2007-03-08 18:16 ` Christoph Lameter
2007-03-09 13:55 ` Mel Gorman
2007-03-08 21:54 ` Christoph Lameter
2007-03-09 14:00 ` Mel Gorman
2007-03-09 16:40 ` Christoph Lameter
2007-03-09 15:06 ` Mel Gorman
2007-03-09 17:21 ` Christoph Lameter
2007-03-08 17:46 ` Christoph Lameter
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