From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: "Christoph Lameter" <clameter@sgi.com>
Cc: akpm@linux-foundation.com, linux-kernel@vger.kernel.org
Subject: Re: slab allocators: Remove obsolete SLAB_MUST_HWCACHE_ALIGN
Date: Tue, 17 Apr 2007 10:31:06 +0300 [thread overview]
Message-ID: <84144f020704170031h9421d05t2174639ac8f2d894@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0704162232530.31027@schroedinger.engr.sgi.com>
On 4/17/07, Christoph Lameter <clameter@sgi.com> wrote:
> The flag SLAB_MUST_HWCACHE_ALIGN is
>
> 1. Never checked by SLAB at all.
>
> 2. A duplicate of SLAB_HWCACHE_ALIGN for SLUB
>
> 3. Fulfills the role of SLAB_HWCACHE_ALIGN for SLOB.
>
> The only remaining use is in sparc64 and ppc64 and their use there
> reflects some earlier role that the slab flag once may have had. If
> its specified then SLAB_HWCACHE_ALIGN is also specified.
>
> The flag is confusing, inconsistent and has no purpose.
>
> Remove it.
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
next prev parent reply other threads:[~2007-04-17 7:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 5:35 Christoph Lameter
2007-04-17 7:31 ` Pekka Enberg [this message]
2007-04-17 23:09 ` Matt Mackall
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