UBI: Change the default percentage of reserved PEB

[pandora-kernel.git] / mm / mempolicy.c

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 2b5bcc9..a72fa33 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1601,8 +1601,14 @@ static unsigned interleave_nodes(struct mempolicy *policy)
  * task can change it's policy.  The system default policy requires no
  * such protection.
  */
-unsigned slab_node(struct mempolicy *policy)
+unsigned slab_node(void)
 {
+       struct mempolicy *policy;
+
+       if (in_interrupt())
+               return numa_node_id();
+
+       policy = current->mempolicy;
        if (!policy || policy->flags & MPOL_F_LOCAL)
                return numa_node_id();
 
@@ -1983,7 +1989,6 @@ 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)
@@ -1991,7 +1996,6 @@ 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;
 }