From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andrew Morton <akpm@osdl.org>
Cc: Dave Jones <davej@redhat.com>, Pavel Machek <pavel@ucw.cz>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -mm 4/6] swsusp: Add resume_offset command line parameter
Date: Tue, 26 Sep 2006 22:10:14 +0200 [thread overview]
Message-ID: <200609262210.14595.rjw@sisk.pl> (raw)
In-Reply-To: <20060926123859.34e9b913.akpm@osdl.org>
On Tuesday, 26 September 2006 21:38, Andrew Morton wrote:
> On Sat, 23 Sep 2006 12:08:25 +0200
> "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> > Add the kernel command line parameter "resume_offset=" allowing us to specify
> > the offset, in <PAGE_SIZE> units, from the beginning of the partition pointed
> > to by the "resume=" parameter at which the swap header is located.
>
> Is this description correct?
Yes, it is. Please have a look at setup_swap_extents(). :-)
> I think it's in 512-byte units?
Well, no.
> It certainly should be - a filesytem could start the swapfile at any
> sector_t.
If I understand the code correctly, it looks for the first page-aligned
continuous region that contains as many blocks as to hold at least one
page.
next prev parent reply other threads:[~2006-09-26 20:11 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-23 9:57 [PATCH -mm] swsusp: Add support for swap files Rafael J. Wysocki
2006-09-23 10:01 ` [PATCH -mm 1/6] swsusp: Use partition device and offset to identify swap areas Rafael J. Wysocki
2006-09-23 10:02 ` [PATCH -mm 2/6] swsusp: Rearrange swap-handling code Rafael J. Wysocki
2006-09-23 10:04 ` [PATCH -mm 3/6] swsusp: Use block device offsets to identify swap locations Rafael J. Wysocki
2006-09-26 19:38 ` Andrew Morton
2006-09-26 20:04 ` Rafael J. Wysocki
2006-09-26 21:51 ` Rafael J. Wysocki
2006-09-23 10:08 ` [PATCH -mm 4/6] swsusp: Add resume_offset command line parameter Rafael J. Wysocki
2006-09-26 19:38 ` Andrew Morton
2006-09-26 20:10 ` Rafael J. Wysocki [this message]
2006-09-23 10:10 ` [PATCH -mm 5/6] mm: Print first block offset for swap areas Rafael J. Wysocki
2006-09-26 19:39 ` Andrew Morton
2006-09-26 20:13 ` Rafael J. Wysocki
2006-09-26 20:49 ` Andrew Morton
2006-09-26 21:04 ` Rafael J. Wysocki
2006-09-23 10:13 ` [PATCH -mm 6/6] swsusp: Document support for swap files Rafael J. Wysocki
2006-09-26 21:56 ` Rafael J. Wysocki
2006-09-23 10:17 ` [PATCH -mm] swsusp: Add " Pavel Machek
2006-09-23 20:30 ` Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2006-09-20 19:20 [PATCH -mm 0/6] " Rafael J. Wysocki
2006-09-20 19:46 ` [PATCH -mm 4/6] swsusp: Add resume_offset command line parameter Rafael J. Wysocki
2006-09-21 21:31 ` Pavel Machek
2006-09-21 22:18 ` Rafael J. Wysocki
2006-09-22 13:34 ` Pavel Machek
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