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-rw-r--r--include/linux/page-flags.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index ae2d79f2107..731cd2ac322 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -92,6 +92,7 @@
/* PG_owner_priv_1 users should have descriptive aliases */
#define PG_checked PG_owner_priv_1 /* Used by some filesystems */
+#define PG_pinned PG_owner_priv_1 /* Xen pinned pagetable */
#if (BITS_PER_LONG > 32)
/*
@@ -170,6 +171,10 @@ static inline void SetPageUptodate(struct page *page)
#define SetPageChecked(page) set_bit(PG_checked, &(page)->flags)
#define ClearPageChecked(page) clear_bit(PG_checked, &(page)->flags)
+#define PagePinned(page) test_bit(PG_pinned, &(page)->flags)
+#define SetPagePinned(page) set_bit(PG_pinned, &(page)->flags)
+#define ClearPagePinned(page) clear_bit(PG_pinned, &(page)->flags)
+
#define PageReserved(page) test_bit(PG_reserved, &(page)->flags)
#define SetPageReserved(page) set_bit(PG_reserved, &(page)->flags)
#define ClearPageReserved(page) clear_bit(PG_reserved, &(page)->flags)