linux-stable/kernel/power
Joerg Roedel fdd64ed54e PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free()
The existing implementation of swsusp_free iterates over all
pfns in the system and checks every bit in the two memory
bitmaps.

This doesn't scale very well with large numbers of pfns,
especially when the bitmaps are not populated very densly.
Change the algorithm to iterate over the set bits in the
bitmaps instead to make it scale better in large memory
configurations.

Also add a memory_bm_clear_current() helper function that
clears the bit for the last position returned from the
memory bitmap.

This new version adds a !NULL check for the memory bitmaps
before they are walked. Not doing so causes a kernel crash
when the bitmaps are NULL.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-30 21:12:20 +02:00
..
autosleep.c PM / Sleep: avoid 'autosleep' in shutdown progress 2013-07-15 01:31:37 +02:00
block_io.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
console.c arm, pm, vmpressure: add missing slab.h includes 2014-02-03 13:24:01 -05:00
hibernate.c PM / Sleep: Remove ftrace_stop/start() from suspend and hibernate 2014-07-17 09:45:06 -04:00
Kconfig PM / OPP: Remove ARCH_HAS_OPP 2014-07-23 00:51:30 +02:00
main.c Merge branches 'pm-apm' and 'pm-sleep' 2014-07-27 23:56:30 +02:00
Makefile PM / Sleep: Add user space interface for manipulating wakeup sources, v3 2012-05-01 21:26:05 +02:00
power.h PM / sleep: Fix test_suspend= command line option 2014-09-03 01:21:03 +02:00
poweroff.c power/sysrq: fix inconstistent help message of sysrq key 2013-04-30 17:04:10 -07:00
process.c PM / sleep: Fix request_firmware() error at resume 2014-07-15 14:27:29 +02:00
qos.c PM / QoS: Introcuce latency tolerance device PM QoS type 2014-02-11 00:35:38 +01:00
snapshot.c PM / hibernate: Iterate over set bits instead of PFNs in swsusp_free() 2014-09-30 21:12:20 +02:00
suspend.c PM / sleep: new suspend_resume trace event for console resume 2014-09-22 14:53:23 +02:00
suspend_test.c PM / sleep: Enhance test_suspend option with repeat capability 2014-09-09 01:48:02 +02:00
swap.c PM / hibernate: fixed typo in comment 2014-06-01 00:23:07 +02:00
user.c PM / hibernate: introduce "nohibernate" boot parameter 2014-06-16 23:29:39 +02:00
wakelock.c PM / wakeup: Include appropriate header file in kernel/power/wakelock.c 2014-03-01 01:02:09 +01:00