X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=mm%2Fmempolicy.c;h=8f5330d74f47bded6c1119b49fe34c2ba2573029;hb=0d5d823ab4e608ec7b52ac4410de4cb74bbe0edd;hp=eb58de19f815d07adaa0a0485308dd0095d39423;hpb=7109561524dc57b95fd3f9b61547268b9b6db8ed;p=firefly-linux-kernel-4.4.55.git

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index eb58de19f815..8f5330d74f47 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2139,7 +2139,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 	} else
 		*new = *old;
 
-	rcu_read_lock();
 	if (current_cpuset_is_being_rebound()) {
 		nodemask_t mems = cpuset_mems_allowed(current);
 		if (new->flags & MPOL_F_REBINDING)
@@ -2147,7 +2146,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 		else
 			mpol_rebind_policy(new, &mems, MPOL_REBIND_ONCE);
 	}
-	rcu_read_unlock();
 	atomic_set(&new->refcnt, 1);
 	return new;
 }