Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebieder...
[linux-2.6-block.git] / kernel / events / uprobes.c
index 359122185cfbf84a271a8116c6a1ea31c6dcae2c..84fa00497c49f9f8d30538a75b9bb3d6727968a6 100644 (file)
@@ -46,7 +46,7 @@ static DEFINE_SPINLOCK(uprobes_treelock);     /* serialize rbtree access */
 static struct mutex uprobes_mmap_mutex[UPROBES_HASH_SZ];
 #define uprobes_mmap_hash(v)   (&uprobes_mmap_mutex[((unsigned long)(v)) % UPROBES_HASH_SZ])
 
-static struct percpu_rw_semaphore dup_mmap_sem;
+DEFINE_STATIC_PERCPU_RWSEM(dup_mmap_sem);
 
 /* Have a copy of original instruction */
 #define UPROBE_COPY_INSN       0
@@ -2302,7 +2302,5 @@ void __init uprobes_init(void)
        for (i = 0; i < UPROBES_HASH_SZ; i++)
                mutex_init(&uprobes_mmap_mutex[i]);
 
-       BUG_ON(percpu_init_rwsem(&dup_mmap_sem));
-
        BUG_ON(register_die_notifier(&uprobe_exception_nb));
 }