From: Andrew Morton <akpm@linux-foundation.org>
To: Pavel Emelianov <xemul@openvz.org>
Cc: Paul Menage <menage@google.com>, Balbir Singh <balbir@in.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
devel@openvz.org, Kirill Korotaev <dev@openvz.org>
Subject: Re: [PATCH 5/8] RSS accounting hooks over the code
Date: Wed, 30 May 2007 14:46:29 -0700 [thread overview]
Message-ID: <20070530144629.09dad0df.akpm@linux-foundation.org> (raw)
In-Reply-To: <465D997A.3030706@openvz.org>
On Wed, 30 May 2007 19:34:18 +0400
Pavel Emelianov <xemul@openvz.org> wrote:
> As described above, pages are charged to their first touchers.
> The first toucher is determined using pages' _mapcount
> manipulations in rmap calls.
>
> Page is charged in two stages:
> 1. preparation, in which the resource availability is checked.
> This stage may lead to page reclamation, thus it is performed
> in a "might-sleep" places;
> 2. the container assignment to page. This is done in an atomic
> code that handles races between multiple touchers.
I suppose we need to think about what to do about higher-order pages, and
compound pages, and hugetlb memory.
next prev parent reply other threads:[~2007-05-30 21:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-30 15:24 [PATCH 0/8] RSS controller based on process containers (v3) Pavel Emelianov
2007-05-30 15:26 ` [PATCH 1/8] Resource counters Pavel Emelianov
2007-05-30 21:44 ` Andrew Morton
2007-05-30 15:28 ` [PATCH 2/8] Add container pointer on struct page Pavel Emelianov
2007-05-30 21:45 ` Andrew Morton
2007-05-30 15:29 ` [PATCH 3/8] Add container pointer on mm_struct Pavel Emelianov
2007-05-30 21:45 ` Andrew Morton
2007-05-30 15:32 ` [PATCH 4/8] RSS container core Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton
2007-05-31 9:00 ` Pavel Emelianov
2007-05-30 15:34 ` [PATCH 5/8] RSS accounting hooks over the code Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton [this message]
2007-06-01 6:48 ` Balbir Singh
2007-05-30 15:35 ` [PATCH 6/8] Per container OOM killer Pavel Emelianov
2007-05-30 15:39 ` [PATCH 7/8] Scanner changes needed to implement per-container scanner Pavel Emelianov
2007-05-30 21:46 ` Andrew Morton
2007-06-01 6:50 ` Balbir Singh
2007-06-01 7:40 ` Pavel Emelianov
2007-06-01 7:38 ` Balbir Singh
2007-05-30 15:42 ` [PATCH 8/8] Per-container pages reclamation Pavel Emelianov
2007-05-30 21:47 ` Andrew Morton
2007-05-31 8:22 ` Vaidyanathan Srinivasan
2007-05-31 9:22 ` Balbir Singh
2007-06-01 9:27 ` Pavel Emelianov
2007-06-01 9:23 ` Balbir Singh
2007-05-31 10:35 ` Pavel Emelianov
2007-05-31 17:58 ` Andrew Morton
2007-06-01 7:44 ` Pavel Emelianov
2007-06-01 7:49 ` Andrew Morton
2007-06-01 7:02 ` Balbir Singh
2007-06-01 7:50 ` Pavel Emelianov
-- strict thread matches above, loose matches on Subject: below --
2007-04-09 12:22 [PATCH 0/8] RSS controller based on process containers (v2) Pavel Emelianov
2007-04-09 12:54 ` [PATCH 5/8] RSS accounting hooks over the code Pavel Emelianov
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