1 files changed, 4 insertions, 1 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ad713e2d61bc..7acd12503f73 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -576,6 +576,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order)
         __SetPageHead(page);
         for (i = 1; i < nr_pages; i++, p = mem_map_next(p, page, i)) {
                 __SetPageTail(p);
+                set_page_count(p, 0);
                 p->first_page = page;
         }
 }
@@ -900,7 +901,6 @@ retry:
         h->resv_huge_pages += delta;
         ret = 0;
 
-        spin_unlock(&hugetlb_lock);
         /* Free the needed pages to the hugetlb pool */
         list_for_each_entry_safe(page, tmp, &surplus_list, lru) {
                 if ((--needed) < 0)
@@ -914,6 +914,7 @@ retry:
                 VM_BUG_ON(page_count(page));
                 enqueue_huge_page(h, page);
         }
+        spin_unlock(&hugetlb_lock);
 
         /* Free unnecessary surplus pages to the buddy allocator */
 free:
@@ -2422,6 +2423,8 @@ retry_avoidcopy:
          * anon_vma prepared.
          */
         if (unlikely(anon_vma_prepare(vma))) {
+                page_cache_release(new_page);
+                page_cache_release(old_page);
                 /* Caller expects lock to be held */
                 spin_lock(&mm->page_table_lock);
                 return VM_FAULT_OOM;