diff options
author | Paul Mundt <lethal@linux-sh.org> | 2010-01-06 15:49:08 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-01-06 15:49:08 +0900 |
commit | fa94ddea2b29fdda7640672c8a933dbd901f0278 (patch) | |
tree | 4e9204f1438f5ed44bff31e2abee598ad775321d /drivers/base/memory.c | |
parent | 6fbfe8d7cd7e71ceb281c5a1b9de6e5e0dfbf1c8 (diff) | |
parent | 56d45b62ce622a003da972428fdbba2b42102efb (diff) |
Merge branch 'master' into sh/hw-breakpoints
Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r-- | drivers/base/memory.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c index c4c8f2e1dd1..d7d77d4a402 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -63,6 +63,20 @@ void unregister_memory_notifier(struct notifier_block *nb) } EXPORT_SYMBOL(unregister_memory_notifier); +static ATOMIC_NOTIFIER_HEAD(memory_isolate_chain); + +int register_memory_isolate_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&memory_isolate_chain, nb); +} +EXPORT_SYMBOL(register_memory_isolate_notifier); + +void unregister_memory_isolate_notifier(struct notifier_block *nb) +{ + atomic_notifier_chain_unregister(&memory_isolate_chain, nb); +} +EXPORT_SYMBOL(unregister_memory_isolate_notifier); + /* * register_memory - Setup a sysfs device for a memory block */ @@ -157,6 +171,11 @@ int memory_notify(unsigned long val, void *v) return blocking_notifier_call_chain(&memory_chain, val, v); } +int memory_isolate_notify(unsigned long val, void *v) +{ + return atomic_notifier_call_chain(&memory_isolate_chain, val, v); +} + /* * MEMORY_HOTPLUG depends on SPARSEMEM in mm/Kconfig, so it is * OK to have direct references to sparsemem variables in here. |