From: Andi Kleen <ak@suse.de>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Amul Shah <amul.shah@unisys.com>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86_64: Make the NUMA hash function nodemap allocation dynamic and remove NODEMAPSIZE
Date: Fri, 10 Nov 2006 10:51:52 +0100 [thread overview]
Message-ID: <200611101051.52727.ak@suse.de> (raw)
In-Reply-To: <200611101043.14749.dada1@cosmosbay.com>
> Therefore I suggest to use a structure like that :
>
> struct memnode {
> int shift;
> unsigned int mapsize; /* no need to use 8 bytes here */
> u8 *map;
> u8 embedded_map[64-8]; /* total size = 64 bytes */
> } ____cacheline_aligned;
>
> and make memnode.map point to memnode.embedded_map if mapsize <= 56 ?
That's a good idea yes.
-Andi
next prev parent reply other threads:[~2006-11-10 9:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-08 23:37 [PATCH] x86_64: Make the NUMA hash function nodemap allocation dynamic and remove NODEMAPSIZE Amul Shah
2006-11-10 6:48 ` Andi Kleen
2006-11-10 9:43 ` Eric Dumazet
2006-11-10 9:46 ` Eric Dumazet
2006-11-10 9:51 ` Andi Kleen [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-11-15 21:48 Amul Shah
2006-11-26 20:49 ` Andi Kleen
2006-11-27 10:23 ` Eric Dumazet
2006-11-27 15:32 ` Amul Shah
2006-11-27 15:38 ` Andi Kleen
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