From: William Lee Irwin III <wli@holomorphy.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Andrea Arcangeli <andrea@novell.com>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: per-process shared information
Date: Thu, 14 Oct 2004 15:11:46 -0700 [thread overview]
Message-ID: <20041014221146.GC5607@holomorphy.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0410142205450.2702-100000@localhost.localdomain>
On Thu, Oct 14, 2004 at 10:49:28PM +0100, Hugh Dickins wrote:
> Sounds horrid to me! I'm not inclined to volunteer for that: plus this
> is very much Bill's territory, though he might be glad to surrender it!
> But how about the patch below? Really a mixture of four patches...
> One, support anon_rss as a subset of rss, "shared" being (rss - anon_rss).
> Yes, that's a slight change in meaning of "shared" from in 2.4, but easy
> to support and I think very reasonable. On the one hand, yes, of course
> we know an anon page may actually be shared between several mms of the
> fork group, whereas it won't be counted in "shared" with this patch. But
> the old definition of "shared" was considerably more stupid, wasn't it?
> for example, a private page in pte and swap cache got counted as shared.
This is all very reasonable.
-- wli
next prev parent reply other threads:[~2004-10-14 22:25 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-13 23:10 per-process shared information Andrea Arcangeli
2004-10-14 21:47 ` Marcelo Tosatti
2004-10-14 23:58 ` Andrea Arcangeli
2004-10-14 23:17 ` Marcelo Tosatti
2004-10-15 10:45 ` William Lee Irwin III
2004-10-14 21:49 ` Hugh Dickins
2004-10-14 22:11 ` William Lee Irwin III [this message]
2004-10-14 22:37 ` Andrea Arcangeli
2004-10-15 10:51 ` William Lee Irwin III
2004-10-15 11:56 ` Hugh Dickins
2004-10-15 13:19 ` Albert Cahalan
2004-10-15 14:28 ` William Lee Irwin III
2004-10-15 14:40 ` Albert Cahalan
2004-10-15 14:52 ` William Lee Irwin III
2004-10-15 17:02 ` Andrea Arcangeli
2004-10-15 16:20 ` Andrea Arcangeli
2004-10-15 16:31 ` Albert Cahalan
2004-10-15 17:10 ` William Lee Irwin III
2004-10-15 19:29 ` Albert Cahalan
2004-10-15 17:13 ` Andrea Arcangeli
2004-10-15 17:51 ` Albert Cahalan
2004-10-15 18:14 ` Andrea Arcangeli
2004-10-15 18:30 ` William Lee Irwin III
2004-10-15 18:40 ` Andrea Arcangeli
2004-10-15 18:47 ` William Lee Irwin III
2004-10-15 19:23 ` Andrea Arcangeli
2004-10-15 20:41 ` William Lee Irwin III
2004-10-15 20:52 ` Andrea Arcangeli
2004-10-15 21:16 ` William Lee Irwin III
2004-10-15 21:28 ` Andrea Arcangeli
2004-10-15 21:40 ` William Lee Irwin III
2004-10-15 22:04 ` Hugh Dickins
2004-10-19 15:09 ` Bill Davidsen
2004-10-15 16:04 ` Andrea Arcangeli
2004-10-19 15:18 ` Bill Davidsen
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