From: Andrew Morton <akpm@osdl.org>
To: Brent Casavant <bcasavan@sgi.com>
Cc: wli@holomorphy.com, hugh@veritas.com, linux-mm@kvack.org
Subject: Re: Scaling problem with shmem_sb_info->stat_lock
Date: Wed, 28 Jul 2004 16:05:37 -0700 [thread overview]
Message-ID: <20040728160537.57c8c85b.akpm@osdl.org> (raw)
In-Reply-To: <Pine.SGI.4.58.0407281707370.33392@kzerza.americas.sgi.com>
Brent Casavant <bcasavan@sgi.com> wrote:
>
> Now I'm running up against the shmem_inode_info
> lock field.
Normally a per-inode lock doesn't hurt too much because it's rare
for lots of tasks to whack on the same inode at the same time.
I guess with tmpfs-backed-shm, we have a rare workload. How
unpleasant.
> I'm kind of hoping for a fairy godmother to drop in, wave her magic wand,
> and say "Here's the quick and easy and obviously correct solution". But
> what're the chances of that :).
Oh, sending email to Hugh is one of my favourite problem-solving techniques.
Grab a beer and sit back.
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next prev parent reply other threads:[~2004-07-28 23:05 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 21:11 Scaling problem with shmem_sb_info->stat_lock 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 [this message]
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
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