From: Andrew Morton <akpm@osdl.org>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: torvalds@osdl.org, andrea@suse.de, agruen@suse.de,
linux-kernel@vger.kernel.org
Subject: Re: slab-alignment-rework.patch in -mc
Date: Wed, 21 Apr 2004 14:46:47 -0700 [thread overview]
Message-ID: <20040421144647.7a0a82e6.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0404211910510.11762-100000@dbl.q-ag.de>
Manfred Spraul <manfred@colorfullife.com> wrote:
>
> There is one additional point: right now slab uses ints for the bufctls.
> Using short would save two bytes for each object. Initially I had used
> short, but davem objected. IIRC because some archs do not handle short
> effeciently. Should I allow arch overrides for the bufctls? On i386,
> saving two bytes might allow a few additional anon_vma objects in each
> page.
There's one bufctl per object, yes?
Sounds like a worthwhile optimisation.
next prev parent reply other threads:[~2004-04-21 21:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1082383751.6746.33.camel@f235.suse.de>
2004-04-19 16:25 ` Andrea Arcangeli
2004-04-19 16:42 ` Manfred Spraul
2004-04-20 0:26 ` Andrea Arcangeli
2004-04-20 7:24 ` Andrew Morton
2004-04-20 14:49 ` Andrea Arcangeli
2004-04-20 17:23 ` Manfred Spraul
2004-04-20 18:25 ` Andrew Morton
2004-04-20 18:52 ` Linus Torvalds
2004-04-21 17:22 ` Manfred Spraul
2004-04-21 21:46 ` Andrew Morton [this message]
2004-04-20 18:53 ` Arjan van de Ven
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