[PATCH] Fix futexes in hugetlb pages

There is a stunning bug.

[PATCH] Fix futexes in hugetlb pages
There is a stunning bug.
15b1d321 · Andrew Morton · Linus Torvalds · 050e6ae5 · 15b1d321
Commit 15b1d321 authored Apr 07, 2003 by Andrew Morton Committed by Linus Torvalds Apr 07, 2003
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include/linux/mm.h include/linux/mm.h +1 -1

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--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -231,8 +231,8 @@ static inline void get_page(struct page *page)
 static inline void put_page(struct page *page)
 {
 	if (PageCompound(page)) {
+		page = (struct page *)page->lru.next;
 		if (put_page_testzero(page)) {
-			page = (struct page *)page->lru.next;
 			if (page->lru.prev) {	/* destructor? */
 				(*(void (*)(struct page *))page->lru.prev)(page);
 			} else {