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-rw-r--r--mm/mempolicy.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index b2f12ecc1b3..1763418f1ad 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2157,12 +2157,17 @@ mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx)
return pol;
}
+static void sp_free(struct sp_node *n)
+{
+ mpol_put(n->policy);
+ kmem_cache_free(sn_cache, n);
+}
+
static void sp_delete(struct shared_policy *sp, struct sp_node *n)
{
pr_debug("deleting %lx-l%lx\n", n->start, n->end);
rb_erase(&n->nd, &sp->root);
- mpol_put(n->policy);
- kmem_cache_free(sn_cache, n);
+ sp_free(n);
}
static struct sp_node *sp_alloc(unsigned long start, unsigned long end,
@@ -2301,7 +2306,7 @@ int mpol_set_shared_policy(struct shared_policy *info,
}
err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new);
if (err && new)
- kmem_cache_free(sn_cache, new);
+ sp_free(new);
return err;
}
@@ -2318,9 +2323,7 @@ void mpol_free_shared_policy(struct shared_policy *p)
while (next) {
n = rb_entry(next, struct sp_node, nd);
next = rb_next(&n->nd);
- rb_erase(&n->nd, &p->root);
- mpol_put(n->policy);
- kmem_cache_free(sn_cache, n);
+ sp_delete(p, n);
}
mutex_unlock(&p->mutex);
}