From: Manfred Spraul <manfred@colorfullife.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Andrew Morton <akpm@osdl.org>,
agruen@suse.de, linux-kernel@vger.kernel.org
Subject: Re: slab-alignment-rework.patch in -mc
Date: Tue, 20 Apr 2004 19:23:35 +0200 [thread overview]
Message-ID: <40855C97.1090006@colorfullife.com> (raw)
In-Reply-To: <20040420144937.GG29954@dualathlon.random>
Andrea Arcangeli wrote:
>On Tue, Apr 20, 2004 at 12:24:23AM -0700, Andrew Morton wrote:
>
>
>>So I do think that we should either make "align=0" translate to "pack them
>>densely" or do the big sweep across all kmem_cache_create() callsites.
>>
>>
>
>agreed.
>
>
What about this proposal:
SLAB_HWCACHE_ALIGN clear: align to max(sizeof(void*), align).
SLAB_HWCACHE_ALIGN set: align to max(cpu_align(), align).
cpu_align is the cpu cache line size - either runtime or compile time.
Or are there users that want an alignment smaller than sizeof(void*)?
--
Manfred
next prev parent reply other threads:[~2004-04-20 17:23 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 ` slab-alignment-rework.patch in -mc 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 [this message]
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
2004-04-20 18:53 ` Arjan van de Ven
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