Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / mm / memory-failure.c

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 04158d6f44d4fe422bc1575bf84d1023a8c321ff..0207c2f6f8bd73466bff24c2b6d167406d6042e5 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -233,8 +233,8 @@ void shake_page(struct page *p, int access)
        }
 
        /*
-        * Only all shrink_slab here (which would also
-        * shrink other caches) if access is not potentially fatal.
+        * Only call shrink_slab here (which would also shrink other caches) if
+        * access is not potentially fatal.
         */
        if (access) {
                int nr;
@@ -1065,19 +1065,22 @@ int __memory_failure(unsigned long pfn, int trapno, int flags)
         * The check (unnecessarily) ignores LRU pages being isolated and
         * walked by the page reclaim code, however that's not a big loss.
         */
-       if (!PageLRU(p) && !PageHuge(p))
-               shake_page(p, 0);
-       if (!PageLRU(p) && !PageHuge(p)) {
-               /*
-                * shake_page could have turned it free.
-                */
-               if (is_free_buddy_page(p)) {
-                       action_result(pfn, "free buddy, 2nd try", DELAYED);
-                       return 0;
+       if (!PageHuge(p) && !PageTransCompound(p)) {
+               if (!PageLRU(p))
+                       shake_page(p, 0);
+               if (!PageLRU(p)) {
+                       /*
+                        * shake_page could have turned it free.
+                        */
+                       if (is_free_buddy_page(p)) {
+                               action_result(pfn, "free buddy, 2nd try",
+                                               DELAYED);
+                               return 0;
+                       }
+                       action_result(pfn, "non LRU", IGNORED);
+                       put_page(p);
+                       return -EBUSY;
                }
-               action_result(pfn, "non LRU", IGNORED);
-               put_page(p);
-               return -EBUSY;
        }
 
        /*