From: Andrea Arcangeli <andrea@suse.de>
To: Wu Fengguang <wfg@mail.ustc.edu.cn>,
Andrew Morton <akpm@osdl.org>,
marcelo.tosatti@cyclades.com, linux-kernel@vger.kernel.org,
christoph@lameter.com, riel@redhat.com, a.p.zijlstra@chello.nl,
npiggin@suse.de, magnus.damm@gmail.com
Subject: Re: [PATCH 02/12] mm: supporting variables and functions for balanced zone aging
Date: Fri, 2 Dec 2005 03:52:40 +0100 [thread overview]
Message-ID: <20051202025240.GE28539@opteron.random> (raw)
In-Reply-To: <20051202023727.GA4874@mail.ustc.edu.cn>
On Fri, Dec 02, 2005 at 10:37:27AM +0800, Wu Fengguang wrote:
> Thanks for the clarification, I was concerning too much ;)
You're welcome. I'm also not concerned because the cost is linear with
the amount of memory (and the cost has an high bound, that is the size
of the lower zones, so it's not like the struct page that is a
percentage of ram guaranteed to be lost) so it's generally not
noticeable at runtime, and it's most important in the big systems (where
in turn the cost is higher).
next prev parent reply other threads:[~2005-12-02 2:52 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-01 10:18 [PATCH 00/12] Balancing the scan rate of major caches Wu Fengguang
2005-12-01 10:18 ` [PATCH 01/12] vm: kswapd incmin Wu Fengguang
2005-12-01 10:33 ` Andrew Morton
2005-12-01 11:40 ` Wu Fengguang
2005-12-01 10:18 ` [PATCH 02/12] mm: supporting variables and functions for balanced zone aging Wu Fengguang
2005-12-01 10:37 ` Andrew Morton
2005-12-01 12:11 ` Wu Fengguang
2005-12-01 22:28 ` Marcelo Tosatti
2005-12-01 23:03 ` Andrew Morton
2005-12-02 1:19 ` Wu Fengguang
2005-12-02 1:30 ` Andrew Morton
2005-12-02 2:04 ` Wu Fengguang
2005-12-02 2:18 ` Andrea Arcangeli
2005-12-02 2:37 ` Wu Fengguang
2005-12-02 2:52 ` Andrea Arcangeli [this message]
2005-12-02 4:45 ` Andrew Morton
2005-12-02 6:38 ` Wu Fengguang
2005-12-02 2:27 ` Nick Piggin
2005-12-02 2:36 ` Andrea Arcangeli
2005-12-02 2:43 ` Wu Fengguang
2005-12-02 5:49 ` Andrew Morton
2005-12-02 7:18 ` Wu Fengguang
2005-12-02 7:27 ` Andrew Morton
2005-12-02 15:13 ` Marcelo Tosatti
2005-12-02 21:39 ` Andrew Morton
2005-12-03 0:26 ` Marcelo Tosatti
2005-12-04 6:06 ` Wu Fengguang
2005-12-02 1:26 ` Marcelo Tosatti
2005-12-02 3:40 ` Andrew Morton
2005-12-01 10:18 ` [PATCH 03/12] mm: balance zone aging in direct reclaim path Wu Fengguang
2005-12-01 10:18 ` [PATCH 04/12] mm: balance zone aging in kswapd " Wu Fengguang
2005-12-01 10:18 ` [PATCH 05/12] mm: balance slab aging Wu Fengguang
2005-12-01 10:18 ` [PATCH 06/12] mm: balance active/inactive list scan rates Wu Fengguang
2005-12-01 11:39 ` Peter Zijlstra
2005-12-01 10:18 ` [PATCH 07/12] mm: remove unnecessary variable and loop Wu Fengguang
2005-12-01 10:18 ` [PATCH 08/12] mm: remove swap_cluster_max from scan_control Wu Fengguang
2005-12-01 10:18 ` [PATCH 09/12] mm: accumulate sc.nr_scanned/sc.nr_reclaimed Wu Fengguang
2005-12-01 10:18 ` [PATCH 10/12] mm: merge sc.may_writepage and sc.may_swap into sc.flags Wu Fengguang
2005-12-01 10:18 ` [PATCH 11/12] mm: add page reclaim debug traces Wu Fengguang
2005-12-01 10:18 ` [PATCH 12/12] mm: fix minor scan count bugs Wu Fengguang
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