From: Matthew Dobson <colpatch@us.ibm.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, LSE <lse-tech@lists.sourceforge.net>,
Andrew Morton <akpm@zip.com.au>,
Michael Hohnbaum <hohnbaum@us.ibm.com>
Subject: Re: [rfc][patch] Memory Binding API v0.3 2.5.41
Date: Thu, 10 Oct 2002 11:43:34 -0700 [thread overview]
Message-ID: <3DA5CA56.6070402@us.ibm.com> (raw)
In-Reply-To: <1586204621.1034197575@[10.10.2.3]>
Martin J. Bligh wrote:
>>+#define for_each_valid_zone(zone, zonelist) \
>>+ for (zone = *zonelist->zones; zone; zone++) \
>>+ if (current->memblk_binding.bitmask & (1 << zone->zone_pgdat->memblk_id))
>
> Does the compiler optimise the last bit away on non-NUMA?
Nope.
> Want to wrap it in #ifdef CONFIG_NUMA_MEMBIND or something?
Not a problem... I've got some free time this afternoon... Should only
take me a few hours to retool the patch to include this change. ;)
> Not sure what the speed impact of this would be, but I'd
> rather it was optional, even on NUMA boxen.
Sounds reasonable... It'll be in the next itteration.
> Other than that, looks pretty good.
Glad to hear!
> M.
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next prev parent reply other threads:[~2002-10-10 18:43 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-10 1:12 Matthew Dobson
2002-10-10 3:05 ` Andrew Morton
2002-10-10 18:29 ` Matthew Dobson
2002-10-10 4:06 ` Martin J. Bligh
2002-10-10 18:43 ` Matthew Dobson [this message]
2002-10-10 9:00 ` Arjan van de Ven
2002-10-10 18:55 ` Matthew Dobson
2002-10-10 10:06 ` Arjan van de Ven
2002-10-10 11:22 ` Alan Cox
2002-10-10 11:28 ` William Lee Irwin III
2002-10-10 19:09 ` Matthew Dobson
2002-10-10 19:06 ` Matthew Dobson
2002-10-10 19:01 ` Matthew Dobson
2002-10-13 22:22 ` Eric W. Biederman
2002-10-15 0:14 ` Matthew Dobson
2002-10-15 0:20 ` Martin J. Bligh
2002-10-15 0:38 ` Matthew Dobson
2002-10-15 0:43 ` Martin J. Bligh
2002-10-15 0:51 ` Matthew Dobson
2002-10-15 0:58 ` William Lee Irwin III
2002-10-15 0:55 ` [Lse-tech] " john stultz
2002-10-15 1:08 ` Martin J. Bligh
2002-10-15 1:20 ` William Lee Irwin III
2002-10-15 1:29 ` Martin J. Bligh
2002-10-15 1:40 ` William Lee Irwin III
2002-10-15 1:57 ` William Lee Irwin III
2002-10-15 1:08 ` William Lee Irwin III
2002-10-15 1:16 ` Martin J. Bligh
2002-10-15 17:21 ` Eric W. Biederman
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