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-rw-r--r--include/linux/rwlock_types.h3
-rw-r--r--kernel/fork.c4
2 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h
index 5317cd9..d0da966 100644
--- a/include/linux/rwlock_types.h
+++ b/include/linux/rwlock_types.h
@@ -47,6 +47,7 @@ typedef struct {
RW_DEP_MAP_INIT(lockname) }
#endif
-#define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x)
+#define DEFINE_RWLOCK(name) \
+ rwlock_t name __cacheline_aligned_in_smp = __RW_LOCK_UNLOCKED(name)
#endif /* __LINUX_RWLOCK_TYPES_H */
diff --git a/kernel/fork.c b/kernel/fork.c
index b681c38..ae9a1a4 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -94,7 +94,7 @@ int max_threads; /* tunable limit on nr_threads */
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
-__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
+DEFINE_RWLOCK(tasklist_lock); /* outer */
#ifdef CONFIG_PROVE_RCU
int lockdep_tasklist_lock_is_held(void)
@@ -1690,7 +1690,7 @@ SYSCALL_DEFINE0(fork)
#ifdef __ARCH_WANT_SYS_VFORK
SYSCALL_DEFINE0(vfork)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
0, NULL, NULL);
}
#endif