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authorBojan Smojver <bojan@rexursive.com>2011-10-13 23:58:07 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-10-16 23:30:38 +0200
commit081a9d043c983f161b78fdc4671324d1342b86bc (patch)
tree4382d88e5705b18a95471af2a71319401c47744f /kernel/power/Kconfig
parentd231ff1af70a2df43d809173cf8c94e9c3beb853 (diff)
PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
Use threads for LZO compression/decompression on hibernate/thaw. Improve buffering on hibernate/thaw. Calculate/verify CRC32 of the image pages on hibernate/thaw. In my testing, this improved write/read speed by a factor of about two. Signed-off-by: Bojan Smojver <bojan@rexursive.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'kernel/power/Kconfig')
-rw-r--r--kernel/power/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index e01e6899592c..cedd9982306a 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -27,6 +27,7 @@ config HIBERNATION
select HIBERNATE_CALLBACKS
select LZO_COMPRESS
select LZO_DECOMPRESS
+ select CRC32
---help---
Enable the suspend to disk (STD) functionality, which is usually
called "hibernation" in user interfaces. STD checkpoints the