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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-08-17 20:42:24 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-10-16 23:27:46 +0200
commit85055dd805f0822f13f736bee2a521e222c38293 (patch)
treeedbad90395fc7471732edfb5372adcd7e55e791b /kernel/power/Kconfig
parentca123102f69fb260221502ade9bbc069290fae84 (diff)
downloadop-kernel-dev-85055dd805f0822f13f736bee2a521e222c38293.zip
op-kernel-dev-85055dd805f0822f13f736bee2a521e222c38293.tar.gz
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/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 3744c59..e01e689 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
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