From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Linux PM List <linux-pm@lists.linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Magnus Damm <damm@igel.co.jp>,
Greg Kroah-Hartman <gregkh@suse.de>,
Wu Fengguang <fengguang.wu@intel.com>,
Alan Stern <stern@rowland.harvard.edu>,
Sergio Luis <sergio@larces.uece.br>,
Lauro Salmito <laurosalmito@gmail.com>,
Jaswinder Singh Rajput <jaswinder@kernel.org>,
Ingo Molnar <mingo@elte.hu>,
Nigel Cunningham <nigel@tuxonice.net>
Subject: Re: [PATCH 12/19] PM/Suspend: Do not shrink memory before suspend
Date: Fri, 12 Jun 2009 13:02:35 +0200 [thread overview]
Message-ID: <20090612110235.GL18682@elf.ucw.cz> (raw)
In-Reply-To: <S4AoGnG.A.6G.dgYMKB@chimera>
On Thu 2009-06-11 22:39:03, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@sisk.pl>
>
> Remove the shrinking of memory from the suspend-to-RAM code, where
> it is not really necessary.
I still have not seen any explanation why it is not neccessary.
It is true that I did not have time to stress my system to the point
when it has 0 pages free, but we certainly know that it is possible,
and we know that at least one driver allocates memory and will be
broken if that happens.
NAK.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-06-12 11:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0615007ad8090a890586d530b5d3bb98da566014.1244752872.git.rjw@sisk.pl>
2009-06-11 22:06 ` [PATCH 00/19] What's in the suspend tree for 2.6.31 Pavel Machek
2009-06-11 22:24 ` Rafael J. Wysocki
[not found] ` <S4AoGnG.A.D7H.mZXMKB@chimera>
2009-06-12 10:37 ` [PATCH 01/19] PM: Warn if interrupts are enabled during suspend-resume of sysdevs Pavel Machek
[not found] ` <S4AoGnG.A.xE.8UYMKB@chimera>
2009-06-12 10:37 ` [PATCH 02/19] x86: unify power/cpu_(32|64) headers Pavel Machek
[not found] ` <S4AoGnG.A.aF.zaYMKB@chimera>
2009-06-12 10:44 ` [PATCH 03/19] x86: unify power/cpu_(32|64) global variables Pavel Machek
[not found] ` <S4AoGnG.A.DG.2cYMKB@chimera>
2009-06-12 10:50 ` [PATCH 07/19] x86: unify power/cpu_(32|64).c Pavel Machek
[not found] ` <S4AoGnG.A.cG.6eYMKB@chimera>
2009-06-12 10:51 ` [PATCH 09/19] PM: Rename device_power_down/up() Pavel Machek
[not found] ` <S4AoGnG.A.mG.jfYMKB@chimera>
2009-06-12 10:55 ` [PATCH 10/19] PM core: rename suspend and resume functions Pavel Machek
[not found] ` <S4AoGnG.A.6G.dgYMKB@chimera>
2009-06-12 11:02 ` Pavel Machek [this message]
2009-06-12 19:04 ` [PATCH 12/19] PM/Suspend: Do not shrink memory before suspend Rafael J. Wysocki
[not found] ` <S4AoGnG.A.OH.VhYMKB@chimera>
2009-06-12 11:03 ` [PATCH 14/19] PM: Remove device_type suspend()/resume() Pavel Machek
[not found] ` <S4AoGnG.A.YH.yhYMKB@chimera>
2009-06-12 11:10 ` [PATCH 15/19] Driver Core: Rework platform suspend/resume, print warning Pavel Machek
[not found] ` <S4AoGnG.A.AI.ZjYMKB@chimera>
2009-06-12 11:13 ` [PATCH 19/19] PM: Add empty suspend/resume device irq functions Pavel Machek
2009-06-12 11:32 ` Heiko Carstens
2009-06-12 11:36 ` Pavel Machek
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