From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <nigel@tuxonice.net>,
Linux PM <linux-pm@lists.linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"TuxOnIce-devel" <tuxonice-devel@tuxonice.net>
Subject: Re: [PATCH 13/23] Hibernation: Partial page I/O support.
Date: Wed, 13 Oct 2010 22:28:22 +0200 [thread overview]
Message-ID: <201010132228.22604.rjw@sisk.pl> (raw)
In-Reply-To: <20101013071008.GA1610@ucw.cz>
On Wednesday, October 13, 2010, Pavel Machek wrote:
> Hi!
>
> > Add functions that can be used for coalescing and splitting buffers
> > that are smaller than PAGE_SIZE. These functions provide no method
> > of determining where the boundaries of the smaller buffers are to
> > be found - that is the caller's problem.
>
> I don't get it; why do we need that support?
This is related to compression. This way we can put data from two or more
compressed pages into one page frame.
Thanks,
Rafael
next prev parent reply other threads:[~2010-10-13 20:29 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-27 5:43 Swsusp patches applied to suspend-2.6#linux-next Nigel Cunningham
2010-09-27 5:43 ` [PATCH 01/23] Hibernation: Split compression support out Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 20:27 ` Rafael J. Wysocki
2010-09-27 20:32 ` Nigel Cunningham
2010-09-27 20:32 ` Nigel Cunningham
2010-10-01 21:28 ` Rafael J. Wysocki
2010-10-01 21:28 ` Rafael J. Wysocki
2010-10-01 21:45 ` Nigel Cunningham
2010-10-01 21:45 ` Nigel Cunningham
2010-10-01 22:15 ` Rafael J. Wysocki
2010-10-01 22:15 ` Rafael J. Wysocki
2010-09-27 20:27 ` Rafael J. Wysocki
2010-09-27 5:43 ` [PATCH 02/23] Record & display i/o speed post resume Nigel Cunningham
2010-09-27 20:06 ` Rafael J. Wysocki
2010-09-27 20:06 ` Rafael J. Wysocki
2010-09-27 20:26 ` Nigel Cunningham
2010-09-27 20:49 ` Rafael J. Wysocki
2010-09-27 21:05 ` Nigel Cunningham
2010-09-27 21:16 ` Rafael J. Wysocki
2010-09-27 21:16 ` Rafael J. Wysocki
2010-09-27 21:05 ` Nigel Cunningham
2010-09-27 20:49 ` Rafael J. Wysocki
2010-09-27 20:26 ` Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 03/23] Hibernation: Swap iteration functions Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-10-04 17:54 ` [linux-pm] " Pavel Machek
2010-10-06 1:22 ` Nigel Cunningham
2010-10-06 1:22 ` Nigel Cunningham
2010-10-04 17:54 ` Pavel Machek
2010-09-27 5:43 ` [PATCH 04/23] Hibernation: Move root_swap declaration Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 05/23] Hibernation: Add mass swap allocation routine Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 06/23] Hibernation: Switch to preallocating swap Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 07/23] Hiberation: Fix speed display Nigel Cunningham
2010-10-04 17:51 ` Pavel Machek
2010-10-04 17:51 ` [linux-pm] " Pavel Machek
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 08/23] Hibernation: Generic extents support Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-10-04 17:51 ` Pavel Machek
2010-10-04 17:51 ` [linux-pm] " Pavel Machek
2010-10-06 1:21 ` Nigel Cunningham
2010-10-06 1:21 ` [linux-pm] " Nigel Cunningham
2010-09-27 5:43 ` [PATCH 09/23] Hibernation: Iterate over sectors not swap entries Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 10/23] Hibernation: Stop passing swap_map_handle struct Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 11/23] Hibernation: Stop passing bio_chain around Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 12/23] Hibernation: Move block i/o fns to block_io.c Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 13/23] Hibernation: Partial page I/O support Nigel Cunningham
2010-10-13 7:10 ` Pavel Machek
2010-10-13 7:10 ` Pavel Machek
2010-10-13 20:28 ` Rafael J. Wysocki
2010-10-13 20:28 ` Rafael J. Wysocki [this message]
2010-10-13 21:17 ` Nigel Cunningham
2010-10-13 21:17 ` Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 14/23] Hibernation: Store block extents at start of image Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 15/23] Hibernation: Use block extents for reading image Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 16/23] Remove first_sector from swap_map_handle Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 17/23] Hibernation: Replace bio chain Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 18/23] Hibernation: Remove swap_map_pages Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 19/23] Hibernation: Remove wait_on_bio_chain result Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 20/23] Hibernation: Prepare for handle.cur removal Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 21/23] Hibernation: Remove swap_map structure Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 22/23] Hibernation: Remove now-empty routines Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 5:43 ` [PATCH 23/23] Hibernate: Implement readahead when resuming Nigel Cunningham
2010-09-27 5:43 ` Nigel Cunningham
2010-09-27 6:59 ` [TuxOnIce-devel] Swsusp patches applied to suspend-2.6#linux-next Andrey Rahmatullin
2010-09-27 6:59 ` Andrey Rahmatullin
2010-09-27 8:28 ` Nigel Cunningham
2010-09-27 8:28 ` Nigel Cunningham
2010-09-27 8:00 ` Andrey Rahmatullin
2010-09-27 8:00 ` Andrey Rahmatullin
2010-09-27 8:29 ` Nigel Cunningham
2010-09-27 8:29 ` Nigel Cunningham
2010-09-27 9:38 ` Andrey Rahmatullin
2010-09-27 9:57 ` Nigel Cunningham
2010-09-27 9:57 ` Nigel Cunningham
2010-09-27 9:38 ` Andrey Rahmatullin
2010-09-27 11:16 ` Andrey Rahmatullin
2010-09-27 11:16 ` Andrey Rahmatullin
2010-09-27 11:39 ` Nigel Cunningham
2010-09-27 11:39 ` Nigel Cunningham
2010-10-02 16:49 ` Martin Steigerwald
2010-10-02 16:49 ` [linux-pm] " Martin Steigerwald
2010-10-04 8:00 ` Martin Steigerwald
2010-10-04 8:00 ` [linux-pm] " Martin Steigerwald
2010-10-04 8:31 ` Nigel Cunningham
2010-10-04 8:31 ` [linux-pm] " Nigel Cunningham
2010-10-04 8:55 ` Martin Steigerwald
2010-10-04 8:55 ` Martin Steigerwald
2010-10-04 8:47 ` Martin Steigerwald
2010-10-04 8:47 ` [linux-pm] " Martin Steigerwald
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