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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-19 10:07:49 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-19 10:07:49 +0200 |
| commit | 94a6b8cf01c940a92f945b5fe83eb2d4cd00aefd (patch) | |
| tree | 598e4b7f0b7b64db39b8e53e4aa072a8b8b7f903 /include | |
| parent | 6d97e6acc354bc9b69a33a41d74fa7a601dd8122 (diff) | |
| parent | 32a533f259ff439352cc6a87b7bc4cec80d401f6 (diff) | |
| download | lwn-94a6b8cf01c940a92f945b5fe83eb2d4cd00aefd.tar.gz lwn-94a6b8cf01c940a92f945b5fe83eb2d4cd00aefd.zip | |
Merge branch 'rt/base' into rt/head
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page_cgroup.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 13f126c89ae8..8c933dc9d649 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -12,6 +12,7 @@ */ struct page_cgroup { unsigned long flags; + spinlock_t lock; struct mem_cgroup *mem_cgroup; struct page *page; struct list_head lru; /* per cgroup LRU list */ @@ -70,17 +71,17 @@ static inline enum zone_type page_cgroup_zid(struct page_cgroup *pc) static inline void lock_page_cgroup(struct page_cgroup *pc) { - bit_spin_lock(PCG_LOCK, &pc->flags); + spin_lock(&pc->lock); } static inline int trylock_page_cgroup(struct page_cgroup *pc) { - return bit_spin_trylock(PCG_LOCK, &pc->flags); + return spin_trylock(&pc->lock); } static inline void unlock_page_cgroup(struct page_cgroup *pc) { - bit_spin_unlock(PCG_LOCK, &pc->flags); + spin_unlock(&pc->lock); } #else /* CONFIG_CGROUP_MEM_RES_CTLR */ |