From: Ray Bryant <raybry@sgi.com>
To: Paul Jackson <pj@sgi.com>
Cc: Brent Casavant <bcasavan@sgi.com>,
hugh@veritas.com, wli@holomorphy.com, akpm@osdl.org,
linux-mm@kvack.org
Subject: Re: Scaling problem with shmem_sb_info->stat_lock
Date: Fri, 30 Jul 2004 22:37:09 -0500 [thread overview]
Message-ID: <410B13E5.9080005@sgi.com> (raw)
In-Reply-To: <20040730163443.37f9b309.pj@sgi.com>
Perhaps, but then you still have one processor doing the zeroing and setup for
all of those pages, and that can be a signficiant serial bottleneck.
Paul Jackson wrote:
> Brent wrote:
>
>>Having a single CPU fault in all the pages will generally
>>cause all pages to reside on a single NUMA node.
>
>
> Couldn't one use Andi Kleen's numa mbind() to layout the
> memory across the desired nodes, before faulting it in?
>
--
Best Regards,
Ray
-----------------------------------------------
Ray Bryant
512-453-9679 (work) 512-507-7807 (cell)
raybry@sgi.com raybry@austin.rr.com
The box said: "Requires Windows 98 or better",
so I installed Linux.
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prev parent reply other threads:[~2004-07-31 3:37 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 21:11 Brent Casavant
2004-07-12 21:55 ` William Lee Irwin III
2004-07-12 22:42 ` Brent Casavant
2004-07-13 19:56 ` Brent Casavant
2004-07-13 20:41 ` Hugh Dickins
2004-07-13 21:35 ` Brent Casavant
2004-07-13 22:50 ` William Lee Irwin III
2004-07-13 22:22 ` William Lee Irwin III
2004-07-13 22:27 ` Brent Casavant
2004-07-28 9:26 ` Andrew Morton
2004-07-28 9:59 ` William Lee Irwin III
2004-07-28 22:21 ` Brent Casavant
2004-07-28 23:05 ` Andrew Morton
2004-07-28 23:40 ` Brent Casavant
2004-07-28 23:53 ` William Lee Irwin III
2004-07-28 23:53 ` William Lee Irwin III
2004-07-29 14:54 ` Brent Casavant
2004-07-29 19:58 ` Hugh Dickins
2004-07-29 21:21 ` Brent Casavant
2004-07-29 21:51 ` Brent Casavant
2004-07-30 1:00 ` William Lee Irwin III
2004-07-30 21:40 ` Brent Casavant
2004-07-30 23:34 ` Paul Jackson
2004-07-31 3:37 ` Ray Bryant [this message]
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