From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Kirill Korotaev <dev@sw.ru>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Christoph Hellwig <hch@infradead.org>,
Pavel Emelianov <xemul@openvz.org>, Andrey Savochkin <saw@sw.ru>,
devel@openvz.org, Rik van Riel <riel@redhat.com>,
Andi Kleen <ak@suse.de>, Oleg Nesterov <oleg@tv-sign.ru>,
Alexey Dobriyan <adobriyan@mail.ru>,
Matt Helsley <matthltc@us.ibm.com>,
CKRM-Tech <ckrm-tech@lists.sourceforge.net>,
Hugh Dickins <hugh@veritas.com>
Subject: Re: [PATCH 9/13] BC: locked pages (charge hooks)
Date: Wed, 06 Sep 2006 13:43:35 +1000 [thread overview]
Message-ID: <44FE43E7.1030003@yahoo.com.au> (raw)
In-Reply-To: <44FD97D1.4070206@sw.ru>
Kirill Korotaev wrote:
> Introduce calls to BC core over the kernel to charge locked memory.
>
> Normaly new locked piece of memory may appear in insert_vm_struct,
> but there are places (do_mmap_pgoff, dup_mmap etc) when new vma
> is not inserted by insert_vm_struct(), but either link_vma-ed or
> merged with some other - these places call BC code explicitly.
>
> Plus sys_mlock[all] itself has to be patched to charge/uncharge
> needed amount of pages.
I still haven't heard your good reasons why such a complex scheme is
required when my really simple proposal of unconditionally charging
the page to the container it was allocated by.
That has the benefit of not being full of user explotable holes and
also not putting such a huge burden on mm/ and the wider kernel in
general.
--
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2006-09-06 3:43 UTC|newest]
Thread overview: 144+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-05 15:02 [PATCH] BC: resource beancounters (v4) (added user memory) Kirill Korotaev
2006-09-05 15:19 ` [PATCH 1/13] BC: introduce atomic_dec_and_lock_irqsave() Kirill Korotaev
2006-09-05 15:20 ` [PATCH 2/13] BC: kconfig Kirill Korotaev
2006-09-05 15:21 ` [PATCH 3/17] BC: beancounters core (API) Kirill Korotaev
2006-09-05 15:23 ` [PATCH 4/13] BC: context inheriting and changing Kirill Korotaev
2006-09-05 15:24 ` [PATCH 5/13] BC: user interface (syscalls) Kirill Korotaev
2006-09-05 16:04 ` [ckrm-tech] " Balbir Singh
2006-09-06 8:29 ` Pavel Emelianov
2006-09-06 8:57 ` Balbir Singh
2006-09-06 10:42 ` Pavel Emelianov
2006-09-06 13:23 ` Balbir Singh
2006-09-06 13:45 ` Balbir Singh
2006-09-06 14:23 ` Kirill Korotaev
2006-09-05 15:25 ` [PATCH 6/13] BC: kernel memory (core) Kirill Korotaev
2006-09-05 15:26 ` [PATCH 7/13] BC: kernel memory (marks) Kirill Korotaev
2006-09-06 14:19 ` Cedric Le Goater
2006-09-05 15:27 ` [PATCH 8/13] BC: locked pages (core) Kirill Korotaev
2006-09-05 15:29 ` [PATCH 9/13] BC: locked pages (charge hooks) Kirill Korotaev
2006-09-06 3:43 ` Nick Piggin [this message]
2006-09-06 8:45 ` Pavel Emelianov
2006-09-06 9:41 ` Nick Piggin
2006-09-06 14:16 ` [ckrm-tech] " Kirill Korotaev
2006-09-05 15:30 ` [PATCH 10/13] BC: privvm pages Kirill Korotaev
2006-09-05 15:31 ` [PATCH 11/13] BC: vmrss (preparations) Kirill Korotaev
2006-09-05 22:09 ` Cedric Le Goater
2006-09-06 13:59 ` Kirill Korotaev
2006-09-07 16:28 ` [ckrm-tech] " Balbir Singh
2006-09-05 15:32 ` [PATCH 12/13] BC: vmrss (core) Kirill Korotaev
2006-09-05 15:33 ` [PATCH 13/13] BC: vmrss (charges) Kirill Korotaev
2006-09-05 16:53 ` [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) Balbir Singh
2006-09-06 8:34 ` Pavel Emelianov
2006-09-06 13:06 ` Kirill Korotaev
2006-09-06 19:17 ` Balbir Singh
2006-09-06 22:06 ` Chandra Seetharaman
2006-09-07 3:08 ` Balbir Singh
2006-09-08 7:33 ` Pavel Emelianov
2006-09-08 15:43 ` Dave Hansen
2006-09-08 18:26 ` Balbir Singh
2006-09-11 6:56 ` Pavel Emelianov
2006-09-11 7:54 ` Balbir Singh
2006-09-11 8:13 ` Pavel Emelianov
2006-09-11 8:19 ` Balbir Singh
2006-09-12 10:39 ` Pavel Emelianov
2006-09-12 10:40 ` Pavel Emelianov
2006-09-12 12:01 ` Balbir Singh
2006-09-13 13:39 ` Pavel Emelianov
2006-09-11 10:21 ` Srivatsa Vaddagiri
2006-09-12 10:35 ` Pavel Emelianov
2006-09-11 18:49 ` Chandra Seetharaman
2006-09-12 10:48 ` Pavel Emelianov
2006-09-12 23:58 ` Chandra Seetharaman
2006-09-13 8:06 ` Pavel Emelianov
2006-09-13 12:15 ` Srivatsa Vaddagiri
2006-09-13 13:35 ` Pavel Emelianov
2006-09-13 22:31 ` Chandra Seetharaman
2006-09-14 7:53 ` Pavel Emelianov
2006-09-14 8:06 ` Balbir Singh
2006-09-14 13:02 ` Pavel Emelianov
2006-09-15 0:02 ` Chandra Seetharaman
2006-09-15 7:21 ` Pavel Emelianov
2006-09-15 8:49 ` Kirill Korotaev
2006-09-18 23:51 ` Chandra Seetharaman
2006-09-14 23:42 ` Chandra Seetharaman
2006-09-15 7:15 ` Pavel Emelianov
2006-09-15 8:55 ` Kirill Korotaev
2006-09-15 11:15 ` Pavel Emelianov
2006-09-18 8:25 ` Balbir Singh
2006-09-18 8:56 ` Pavel Emelianov
2006-09-18 11:20 ` Balbir Singh
2006-09-18 11:32 ` Pavel Emelianov
2006-09-19 0:05 ` Chandra Seetharaman
2006-09-19 8:04 ` Pavel Emelianov
2006-09-18 11:27 ` Balbir Singh
2006-09-18 12:37 ` Pavel Emelianov
2006-09-19 0:08 ` Chandra Seetharaman
2006-09-19 8:06 ` Pavel Emelianov
2006-09-18 23:48 ` Chandra Seetharaman
2006-09-11 18:44 ` Chandra Seetharaman
2006-09-15 8:57 ` Kirill Korotaev
2006-09-18 23:57 ` Chandra Seetharaman
2006-09-08 19:23 ` Chandra Seetharaman
2006-09-08 21:43 ` Rohit Seth
2006-09-11 18:25 ` Chandra Seetharaman
2006-09-11 19:10 ` Rohit Seth
2006-09-11 19:42 ` Chandra Seetharaman
2006-09-11 23:58 ` Rohit Seth
2006-09-12 9:53 ` Balbir Singh
2006-09-12 23:54 ` Chandra Seetharaman
2006-09-13 0:39 ` Rohit Seth
2006-09-13 1:10 ` Chandra Seetharaman
2006-09-13 1:25 ` Rohit Seth
2006-09-13 4:41 ` Srivatsa Vaddagiri
2006-09-13 22:20 ` Chandra Seetharaman
2006-09-14 1:22 ` Rohit Seth
2006-09-14 23:13 ` Chandra Seetharaman
2006-09-11 19:48 ` [Devel] " Kir Kolyshkin
2006-09-12 0:28 ` Rohit Seth
2006-09-12 10:44 ` Srivatsa Vaddagiri
2006-09-12 17:22 ` Rohit Seth
2006-09-12 17:40 ` Srivatsa Vaddagiri
2006-09-12 18:02 ` Rohit Seth
2006-09-13 0:02 ` Chandra Seetharaman
2006-09-13 0:43 ` Rohit Seth
2006-09-13 1:13 ` Chandra Seetharaman
2006-09-13 1:33 ` Rohit Seth
2006-09-13 22:24 ` Chandra Seetharaman
2006-09-14 1:27 ` Rohit Seth
2006-09-14 23:28 ` Chandra Seetharaman
2006-09-15 9:26 ` Kirill Korotaev
2006-09-15 16:52 ` Rohit Seth
2006-09-15 21:21 ` [Devel] " Kir Kolyshkin
2006-09-15 21:58 ` Rohit Seth
2006-09-19 0:02 ` [ckrm-tech] [Devel] " Chandra Seetharaman
2006-09-18 23:59 ` [ckrm-tech] " Chandra Seetharaman
2006-09-06 21:47 ` Chandra Seetharaman
2006-09-08 15:33 ` Dave Hansen
2006-09-08 15:57 ` [RFC] Add tgid aggregation to beancounters (was Re: [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory)) Balbir Singh
2006-09-11 21:24 ` V2: " Balbir Singh
2006-09-15 16:40 ` [ckrm-tech] V2: Add tgid aggregation to beancounters (was " Kirill Korotaev
2006-10-09 8:23 ` Balbir Singh
2006-09-05 17:46 ` [ckrm-tech] [PATCH] BC: resource beancounters (v4) (added user memory) Dave Hansen
2006-09-05 18:28 ` Balbir Singh
2006-09-06 0:17 ` Rohit Seth
2006-09-08 15:30 ` Dave Hansen
2006-09-08 17:10 ` Rohit Seth
2006-09-08 17:26 ` Shailabh Nagar
2006-09-08 21:15 ` Rohit Seth
2006-09-08 21:28 ` Shailabh Nagar
2006-09-06 13:57 ` Kirill Korotaev
2006-09-06 21:54 ` Chandra Seetharaman
2006-09-07 7:29 ` Pavel Emelianov
2006-09-07 19:16 ` Chandra Seetharaman
2006-09-08 7:22 ` Pavel Emelianov
2006-09-08 19:07 ` Chandra Seetharaman
2006-09-11 7:02 ` Pavel Emelianov
2006-09-11 13:04 ` Srivatsa Vaddagiri
2006-09-12 10:24 ` Pavel Emelianov
2006-09-12 10:29 ` Srivatsa Vaddagiri
2006-09-12 11:06 ` Pavel Emelianov
2006-09-12 12:04 ` Srivatsa Vaddagiri
2006-09-11 18:47 ` Chandra Seetharaman
2006-09-07 19:29 ` Chandra Seetharaman
2006-09-08 7:26 ` Pavel Emelianov
2006-09-08 19:10 ` Chandra Seetharaman
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