dequeue_huge_page() warning fix
mm/hugetlb.c: In function `dequeue_huge_page':
mm/hugetlb.c:72: warning: 'nid' might be used uninitialized in this function
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: David Gibson <hermes@gibson.dropbear.id.au>
Cc: William Lee Irwin III <wli@holomorphy.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index c4a573b..15fc7b0 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -78,16 +78,13 @@
for (z = zonelist->zones; *z; z++) {
nid = zone_to_nid(*z);
if (cpuset_zone_allowed_softwall(*z, htlb_alloc_mask) &&
- !list_empty(&hugepage_freelists[nid]))
- break;
- }
-
- if (*z) {
- page = list_entry(hugepage_freelists[nid].next,
- struct page, lru);
- list_del(&page->lru);
- free_huge_pages--;
- free_huge_pages_node[nid]--;
+ !list_empty(&hugepage_freelists[nid])) {
+ page = list_entry(hugepage_freelists[nid].next,
+ struct page, lru);
+ list_del(&page->lru);
+ free_huge_pages--;
+ free_huge_pages_node[nid]--;
+ }
}
return page;
}