From: William Lee Irwin III <wli@holomorphy.com>
To: Zach Brown <zab@zabbo.net>
Cc: Andrew Morton <akpm@digeo.com>,
paulmck@us.ibm.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, mjbligh@us.ibm.com
Subject: Re: [RFC][PATCH] Interface to invalidate regions of mmaps
Date: Tue, 13 May 2003 16:26:59 -0700 [thread overview]
Message-ID: <20030513232659.GC8978@holomorphy.com> (raw)
In-Reply-To: <3EC17BA3.7060403@zabbo.net>
On Tue, May 13, 2003 at 04:11:31PM -0700, Zach Brown wrote:
> but on the other hand, this doesn't solve another problem we have with
> opportunistic lock extents and sparse page cache populations. Ideally
> we'd like a FS specific pointer in struct page so we can associate pages
> in the cache with a lock, but I can't imagine suggesting such a thing
> within earshot of wli. so we'd still have to track the dirty offsets to
> avoid having to pass through offsets 0 ... i_size only to find that one
> page in the 8T file that was cached.
Nah, don't worry about sizeof(struct page) anymore; I'll just jack up
PAGE_SIZE to compensate.
-- wli
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prev parent reply other threads:[~2003-05-13 23:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-13 20:36 Paul E. McKenney
2003-05-13 22:00 ` William Lee Irwin III
2003-05-13 22:21 ` Andrew Morton
2003-05-13 22:43 ` Paul E. McKenney
2003-05-13 23:11 ` Zach Brown
2003-05-13 23:19 ` Andrew Morton
2003-05-13 23:57 ` Zach Brown
2003-05-13 23:26 ` William Lee Irwin III [this message]
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