From: Andi Kleen <ak@suse.de>
To: rohitseth@google.com
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@osdl.org>,
Linux-mm@kvack.org, Linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: Adding a counter in vma to indicate the number of physical pages backing it
Date: Tue, 13 Jun 2006 19:31:36 +0200 [thread overview]
Message-ID: <200606131931.36165.ak@suse.de> (raw)
In-Reply-To: <1150217948.9576.67.camel@galaxy.corp.google.com>
> This information is for user land applications to have the knowledge of
> which virtual ranges are getting actively used and which are not.
If you think the kernel needs better information on that wouldn't
it be better to use the page accessed bits of the hardware more
aggressively?
Before giving up and adding hacks like you're proposing it would
be better to explore fully automatic mechanisms fully.
-Andi
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next prev parent reply other threads:[~2006-06-13 17:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-10 1:33 Rohit Seth
2006-06-10 2:42 ` Andrew Morton
2006-06-12 17:49 ` Rohit Seth
2006-06-10 7:35 ` Nick Piggin
2006-06-11 10:15 ` Jan Engelhardt
2006-06-12 17:36 ` Rohit Seth
2006-06-12 17:58 ` Andi Kleen
2006-06-12 19:42 ` Rohit Seth
2006-06-13 3:51 ` Andi Kleen
2006-06-13 4:27 ` Nick Piggin
2006-06-13 16:59 ` Rohit Seth
2006-06-13 17:28 ` Hugh Dickins
2006-06-13 18:09 ` Rohit Seth
2006-06-13 17:31 ` Andi Kleen [this message]
2006-06-11 16:09 ` Arjan van de Ven
2006-06-12 11:17 ` Andi Kleen
2006-06-12 12:49 ` Jan Engelhardt
2006-06-12 12:54 ` Andi Kleen
2006-06-12 16:43 ` Christoph Lameter
2006-06-13 5:53 [PATCH]: Adding a counter in vma to indicate the number of physical_pages_backing it Albert Cahalan
2006-06-13 5:56 ` Andi Kleen
2006-06-13 17:10 ` Rohit Seth
2006-06-13 17:18 ` Andi Kleen
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