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authorJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
committerJiri Kosina <jkosina@suse.cz>2012-04-08 21:48:52 +0200
commite75d660672ddd11704b7f0fdb8ff21968587b266 (patch)
treeccb9c107744c10b553c0373e450bee3971d16c00 /include/linux/page-flags.h
parent61282f37927143e45b03153f3e7b48d6b702147a (diff)
parent0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff)
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches that fix code that is newer than current HEAD of for-next. Conflicts: drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r--include/linux/page-flags.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index e90a673be67..c88d2a9451a 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -6,6 +6,7 @@
#define PAGE_FLAGS_H
#include <linux/types.h>
+#include <linux/bug.h>
#ifndef __GENERATING_BOUNDS_H
#include <linux/mm_types.h>
#include <generated/bounds.h>
@@ -414,11 +415,26 @@ 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 +446,11 @@ static inline int PageTransCompound(struct page *page)
{
return 0;
}
+
+static inline int PageTransTail(struct page *page)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_MMU