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-rw-r--r--include/linux/page-flags.h20
-rw-r--r--mm/memory-failure.c2
2 files changed, 21 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e90a673be67e..6b25758e028e 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -414,11 +414,26 @@ static inline int PageTransHuge(struct page *page)
return PageHead(page);
}
+/*
+ * PageTransCompound returns true for both transparent huge pages
+ * and hugetlbfs pages, so it should only be called when it's known
+ * that hugetlbfs pages aren't involved.
+ */
static inline int PageTransCompound(struct page *page)
{
return PageCompound(page);
}
+/*
+ * PageTransTail returns true for both transparent huge pages
+ * and hugetlbfs pages, so it should only be called when it's known
+ * that hugetlbfs pages aren't involved.
+ */
+static inline int PageTransTail(struct page *page)
+{
+ return PageTail(page);
+}
+
#else
static inline int PageTransHuge(struct page *page)
@@ -430,6 +445,11 @@ static inline int PageTransCompound(struct page *page)
{
return 0;
}
+
+static inline int PageTransTail(struct page *page)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_MMU
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 56080ea36140..c22076ffdd44 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1063,7 +1063,7 @@ 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 (!PageHuge(p) && !PageTransCompound(p)) {
+ if (!PageHuge(p) && !PageTransTail(p)) {
if (!PageLRU(p))
shake_page(p, 0);
if (!PageLRU(p)) {