From: Oliver Neukum <oliver@neukum.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Maxim Levitsky <maximlevitsky@gmail.com>,
linux-mm <linux-mm@kvack.org>,
linux-pm@lists.linux-foundation.org,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: Memory allocations in .suspend became very unreliable)
Date: Tue, 19 Jan 2010 10:15:00 +0100 [thread overview]
Message-ID: <201001191015.00470.oliver@neukum.org> (raw)
In-Reply-To: <201001182206.36365.rjw@sisk.pl>
Am Montag, 18. Januar 2010 22:06:36 schrieb Rafael J. Wysocki:
> I was concerned about another problem, though, which is what happens if the
> suspend process runs in parallel with a memory allocation that started earlier
> and happens to do some I/O. I that case the suspend process doesn't know
> about the I/O done by the mm subsystem and may disturb it in principle.
How could this happen? Who would allocate that memory?
Tasks won't be frozen while they are allocating memory.
Regards
Oliver
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next prev parent reply other threads:[~2010-01-19 9:14 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1263549544.3112.10.camel@maxim-laptop>
[not found] ` <1263678289.4276.4.camel@maxim-laptop>
[not found] ` <201001162317.39940.rjw@sisk.pl>
2010-01-17 0:38 ` [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: [linux-pm] " Rafael J. Wysocki
2010-01-17 1:24 ` Oliver Neukum
2010-01-17 13:27 ` Rafael J. Wysocki
2010-01-17 13:36 ` Rafael J. Wysocki
2010-01-17 18:58 ` Benjamin Herrenschmidt
2010-01-17 23:00 ` Rafael J. Wysocki
2010-01-18 7:53 ` Oliver Neukum
2010-01-18 16:17 ` [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: " Alan Stern
2010-01-18 20:59 ` Rafael J. Wysocki
2010-01-19 15:13 ` Alan Stern
2010-01-18 20:56 ` [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: [linux-pm] " Rafael J. Wysocki
2010-01-18 21:55 ` Benjamin Herrenschmidt
2010-01-18 23:33 ` Rafael J. Wysocki
2010-01-17 13:55 ` Rafael J. Wysocki
2010-01-17 16:21 ` [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: " Minchan Kim
2010-01-17 16:23 ` Minchan Kim
2010-01-18 0:25 ` Rafael J. Wysocki
2010-01-18 2:20 ` KOSAKI Motohiro
2010-01-18 21:06 ` Rafael J. Wysocki
2010-01-19 9:15 ` Oliver Neukum [this message]
2010-01-19 20:34 ` Rafael J. Wysocki
2010-01-18 17:00 ` [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: [linux-pm] " Oliver Neukum
2010-01-18 20:41 ` Rafael J. Wysocki
2010-01-19 9:25 ` Oliver Neukum
2010-01-19 20:37 ` Rafael J. Wysocki
2010-01-20 14:05 ` Oliver Neukum
2010-01-20 21:13 ` Rafael J. Wysocki
2010-01-18 2:16 ` KOSAKI Motohiro
2010-01-18 20:55 ` Rafael J. Wysocki
2010-01-19 1:19 ` KOSAKI Motohiro
2010-01-19 3:19 ` Benjamin Herrenschmidt
2010-01-19 9:04 ` Bastien ROUCARIES
2010-01-19 23:17 ` Benjamin Herrenschmidt
2010-01-20 11:31 ` Oliver Neukum
2010-01-20 21:11 ` Benjamin Herrenschmidt
2010-01-20 21:12 ` Rafael J. Wysocki
2010-01-19 20:47 ` Rafael J. Wysocki
2010-01-20 0:33 ` KOSAKI Motohiro
2010-01-20 21:21 ` Rafael J. Wysocki
2010-01-21 0:47 ` KOSAKI Motohiro
2010-01-21 20:21 ` Rafael J. Wysocki
2010-01-21 20:42 ` [linux-pm] [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: " Nigel Cunningham
2010-01-21 21:38 ` Rafael J. Wysocki
2010-01-22 1:31 ` [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: [linux-pm] " KOSAKI Motohiro
2010-01-22 1:42 ` KOSAKI Motohiro
2010-01-22 10:11 ` Maxim Levitsky
2010-01-22 21:19 ` [Update][PATCH] MM / PM: Force GFP_NOIO during suspend/hibernation and resume Rafael J. Wysocki
2010-01-23 9:29 ` Maxim Levitsky
2010-01-25 21:49 ` Rafael J. Wysocki
2010-01-25 21:52 ` Alexey Starikovskiy
2010-01-30 18:56 ` Rafael J. Wysocki
2010-01-30 20:42 ` Maxim Levitsky
2010-01-30 20:53 ` Rafael J. Wysocki
2010-01-22 20:58 ` [RFC][PATCH] PM: Force GFP_NOIO during suspend/resume (was: Re: [linux-pm] Memory allocations in .suspend became very unreliable) Rafael J. Wysocki
2010-01-30 15:46 ` Maxim Levitsky
2010-01-30 18:47 ` Rafael J. Wysocki
2010-01-30 20:37 ` Maxim Levitsky
2010-02-01 19:51 ` Maxim Levitsky
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