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From: Oliver Neukum <oneukum@suse.de>
To: linux-pm@lists.linux-foundation.org
Cc: Raj Kumar <rajkumar278@hotmail.com>
Subject: Re: Question about hibernation
Date: Fri, 18 Mar 2011 15:09:02 +0100	[thread overview]
Message-ID: <201103181509.02943.oneukum@suse.de> (raw)
In-Reply-To: <SNT117-W3213A3C4E358A6A690C09BEBB00@phx.gbl>

Am Freitag, 18. März 2011, 14:45:24 schrieb Raj Kumar:
> 
> Hi,
> 
> I have following question regarding the hibernation. If a device driver uses dedicated memory (dedicated memory in linux which is not OS addressable e.g. device driver is using some pages from dedicated memory), When the system hibernates, will this be responsibility of device driver to save this area 
> or 
> OS hibernation procedure save this area of ram (dedicated memory area) into swap image?

If you got it from get_free_pages (at the end of a long call chain) the
kernel saves it. If not, it is your problem.

	HTH
		Oliver

  reply	other threads:[~2011-03-18 14:09 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-04 21:14 Question about timers during system suspend Raj Kumar
2011-01-04 23:05 ` Rafael J. Wysocki
2011-01-04 23:57   ` Raj Kumar
2011-01-05  8:27     ` Rafael J. Wysocki
2011-03-18 13:45       ` Question about hibernation Raj Kumar
2011-03-18 14:09         ` Oliver Neukum [this message]
2011-03-19 23:47           ` Raj Kumar
     [not found] <mailman.23.1286318684.6175.linux-pm@lists.linux-foundation.org>
2010-10-08 10:32 ` Raj Kumar
2010-10-08 19:31   ` Rafael J. Wysocki
2010-10-14  8:20     ` Raj Kumar
2010-10-14  9:51       ` Rafael J. Wysocki
2010-10-14 11:47         ` Raj Kumar
2010-10-14 18:59           ` Rafael J. Wysocki
     [not found] <BLU102-W1030ED196ED7B94722F2A7EB830@phx.gbl>
     [not found] ` <Pine.LNX.4.44L0.1008241029000.1652-100000@iolanthe.rowland.org>
2010-08-24 15:17   ` Runtime power management during system resume Raj Kumar
2010-08-25 13:27     ` Raj Kumar
2010-08-26 13:40       ` Raj Kumar
2010-09-18 11:49         ` (no subject) Raj Kumar
2010-10-05 21:40           ` Question about hibernation Raj Kumar
2010-10-05 22:43             ` Rafael J. Wysocki

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