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Date: Thu, 7 Feb 2002 22:27:14 +0100 (CET)
From: Ingo Molnar <mingo@elte.hu>
Reply-To: <mingo@elte.hu>
To: Andrew Morton <akpm@zip.com.au>
Cc: Robert Love <rml@tech9.net>, Martin Wirth <Martin.Wirth@dlr.de>,
        linux-kernel <linux-kernel@vger.kernel.org>, nigel <nigel@nrg.org>
Subject: Re: [RFC] New locking primitive for 2.5
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On Thu, 7 Feb 2002, Andrew Morton wrote:

> Quite a few.  Significant ones.  pagemap_lru_lock and lru_list_lock
> come to mind.

ugh. Are you sure we want to *sleep* with something like pagemap_lru_lock
held? That pretty much brings all pagecache related operations to a
grinding halt. I think complex spinlocked sections should be simplified
rather.

	Ingo

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