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"Rafael J. Wysocki" <rjw@sisk.pl> 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 identifiers and terminology are pretty similar to dm-snap.c. But I don't see any clashes there. Yet. > 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. Why does it need a statically-allocated major and minor? misc_register() will generate a uevent and the device node should just appear... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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