From: Andrea Arcangeli <andrea@suse.de>
To: Ben LaHaise <bcrl@redhat.com>
Cc: Mark Hemment <markhe@veritas.com>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Align VM locks
Date: Fri, 17 Aug 2001 01:35:52 +0200 [thread overview]
Message-ID: <20010817013552.F8726@athlon.random> (raw)
In-Reply-To: <Pine.LNX.4.33.0108162006270.3340-300000@alloc.wat.veritas.com> <Pine.LNX.4.33.0108161625160.5368-100000@touchme.toronto.redhat.com>
In-Reply-To: <Pine.LNX.4.33.0108161625160.5368-100000@touchme.toronto.redhat.com>; from bcrl@redhat.com on Thu, Aug 16, 2001 at 04:27:11PM -0400
On Thu, Aug 16, 2001 at 04:27:11PM -0400, Ben LaHaise wrote:
> Here's the patch I sent a few days ago that provides a couple of generic
> kmap_atomic entries for exactly this purpose and uses them for page cache
> access. Not only does it avoid unneeded shootdowns, but it means that
> spurious schedules won't happen under extreme loads.
if you want to take this route you don't need to define KM_USER*, just
rename KM_BOUNCE_WRITE to KM_KERNEL and use it always.
Andrea
next prev parent reply other threads:[~2001-08-16 23:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-16 17:41 [PATCH] Align VM locks Mark Hemment
2001-08-16 18:26 ` Andrea Arcangeli
2001-08-16 18:44 ` Mark Hemment
2001-08-16 18:52 ` Andrea Arcangeli
2001-08-16 18:57 ` Andrea Arcangeli
2001-08-16 19:46 ` Mark Hemment
2001-08-16 20:27 ` Ben LaHaise
2001-08-16 23:35 ` Andrea Arcangeli [this message]
2001-08-16 19:14 ` Andrew Morton
2001-08-16 23:33 ` Andrea Arcangeli
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