Re: [PATCH -mm] swsusp: userland interface (rev 2)

From: Pavel Machek
Date: Tue Jan 24 2006 - 06:13:40 EST


On Út 24-01-06 09:29:37, Rafael J. Wysocki wrote:
> Hi,
>
> This patch introduces a user space interface for swsusp.
>
> The interface is based on a special character device, called the snapshot
> device, that allows user space processes to perform suspend and
> resume-related operations with the help of some ioctls and the read()/write()
> functions.  Additionally it allows these processes to allocate free swap pages
> from a selected swap partition, called the resume partition, so that they know
> which sectors of the resume partition are available to them.
>
> The interface uses the same low-level system memory snapshot-handling
> functions that are used by the built-it swap-writing/reading code of swsusp.
>
> The interface documentation is included in the patch.
>
> The patch assumes that the major and minor numbers of the snapshot device
> will be 10 (ie. misc device) and 231, the registration of which has already been
> requested.
>
> Please apply (Pavel, please ack if it looks good).

ACK.
Pavel

--
Thanks, Sharp!
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