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[PATCH] swsusp: rework image freeing
The following patch makes swsusp use PG_nosave and PG_nosave_free flags to mark pages that should be freed after the state of the system has been restored from the image (or in case of an error during suspend). This allows us to avoid storing metadata in swap twice and to reduce the amount of memory needed by swsusp. Additionally, it allows us to simplify the code by removing a couple of functions that are no longer necessary. Signed-off-by: Rafael J. Wysocki <[email protected]> Signed-off-by: Pavel Machek <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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