[PATCH] hugepage fixes

From: William Lee Irwin III <wli@holomorphy.com>

mm/hugetlb.c is putting the destructor in head->lru.prev not head[1].mapping;
fix below along with nuking huge_page_release(), which simply duplicates
put_page().

1 files changed, 1 insertions, 9 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 403ef15a66f092..6acf0d8144549e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -78,20 +78,12 @@ struct page *alloc_huge_page(void)
 	free_huge_pages--;
 	spin_unlock(&hugetlb_lock);
 	set_page_count(page, 1);
-	page->lru.prev = (void *)free_huge_page;
+	page[1].mapping = (void *)free_huge_page;
 	for (i = 0; i < (HPAGE_SIZE/PAGE_SIZE); ++i)
 		clear_highpage(&page[i]);
 	return page;
 }
 
-void huge_page_release(struct page *page)
-{
-	if (!put_page_testzero(page))
-		return;
-
-	free_huge_page(page);
-}
-
 static int __init hugetlb_init(void)
 {
 	unsigned long i;