From: Hugh Dickins <hugh@veritas.com>
To: Andi Kleen <ak@suse.de>
Cc: Christoph Lameter <clameter@engr.sgi.com>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
linux-mm@kvack.org
Subject: Re: [RFT][PATCH 2/2] pagefault scalability alternative
Date: Tue, 23 Aug 2005 08:01:41 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.61.0508230757410.5224@goblin.wat.veritas.com> (raw)
In-Reply-To: <20050823053941.GB14497@wotan.suse.de>
On Tue, 23 Aug 2005, Andi Kleen wrote:
>
> Hmm - this means that a large munmap has to take another lock
> for each freed page right? That could get a bit expensive.
I do hope not! Where do you see that extra lock per page?
(The patch doesn't bring in locking per page-table-entry,
just locking per page-table.)
Hugh
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next prev parent reply other threads:[~2005-08-23 7:01 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-22 21:27 [RFT][PATCH 0/2] " Hugh Dickins
2005-08-22 21:29 ` [RFT][PATCH 1/2] " Hugh Dickins
2005-08-22 21:31 ` [RFT][PATCH 2/2] " Hugh Dickins
2005-08-23 0:25 ` Nick Piggin
2005-08-23 7:22 ` Hugh Dickins
2005-08-23 11:20 ` Nick Piggin
2005-08-23 13:06 ` Hugh Dickins
2005-08-23 13:29 ` Nick Piggin
2005-08-23 16:38 ` Hugh Dickins
2005-08-23 5:39 ` Andi Kleen
2005-08-23 7:01 ` Hugh Dickins [this message]
2005-08-22 22:29 ` [RFT][PATCH 0/2] " Christoph Lameter
2005-08-23 0:32 ` Nick Piggin
2005-08-23 7:04 ` Hugh Dickins
2005-08-23 8:14 ` Hugh Dickins
2005-08-23 10:03 ` Nick Piggin
2005-08-23 16:30 ` Christoph Lameter
2005-08-23 16:43 ` Martin J. Bligh
2005-08-23 18:29 ` Hugh Dickins
2005-08-27 22:10 ` Avi Kivity
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