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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-08-17 20:42:24 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2011-10-16 23:27:46 +0200 |
| commit | 85055dd805f0822f13f736bee2a521e222c38293 (patch) | |
| tree | edbad90395fc7471732edfb5372adcd7e55e791b /kernel/power/Kconfig | |
| parent | ca123102f69fb260221502ade9bbc069290fae84 (diff) | |
| download | linux-85055dd805f0822f13f736bee2a521e222c38293.tar.gz linux-85055dd805f0822f13f736bee2a521e222c38293.tar.bz2 linux-85055dd805f0822f13f736bee2a521e222c38293.zip | |
PM / Hibernate: Include storage keys in hibernation image on s390
For s390 there is one additional byte associated with each page,
the storage key. This byte contains the referenced and changed
bits and needs to be included into the hibernation image.
If the storage keys are not restored to their previous state all
original pages would appear to be dirty. This can cause
inconsistencies e.g. with read-only filesystems.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'kernel/power/Kconfig')
| -rw-r--r-- | kernel/power/Kconfig | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 3744c594b19b..e01e6899592c 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -65,6 +65,9 @@ config HIBERNATION For more information take a look at <file:Documentation/power/swsusp.txt>. +config ARCH_SAVE_PAGE_KEYS + bool + config PM_STD_PARTITION string "Default resume partition" depends on HIBERNATION |