mm: mempolicy: Convert shared_policy mutex to spinlock

[~shefty/rdma-dev.git] / include / linux / mempolicy.h

diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 92bc9988a18018c16d5400a01c30db301078500e..0d7df39a5885f84c33a843e59f77f44d3ec6824f 100644 (file)
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -123,7 +123,7 @@ struct sp_node {
 
 struct shared_policy {
        struct rb_root root;
-       struct mutex mutex;
+       spinlock_t lock;
 };
 
 void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol);