Merge branch 'for-33' of git://repo.or.cz/linux-kbuild

[linux-2.6-block.git] / include / linux / page-flags.h

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index ef36725aa51527bdf61ce8542f9d85afcb33563e..5b59f35dcb8fdd3ef12c4bc4f2cd5f439e63053b 100644 (file)
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -99,7 +99,7 @@ enum pageflags {
        PG_buddy,               /* Page is free, on buddy lists */
        PG_swapbacked,          /* Page is backed by RAM/swap */
        PG_unevictable,         /* Page is "unevictable"  */
-#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT
+#ifdef CONFIG_MMU
        PG_mlocked,             /* Page is vma mlocked */
 #endif
 #ifdef CONFIG_ARCH_USES_PG_UNCACHED
@@ -259,12 +259,10 @@ PAGEFLAG_FALSE(SwapCache)
 PAGEFLAG(Unevictable, unevictable) __CLEARPAGEFLAG(Unevictable, unevictable)
        TESTCLEARFLAG(Unevictable, unevictable)
 
-#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT
-#define MLOCK_PAGES 1
+#ifdef CONFIG_MMU
 PAGEFLAG(Mlocked, mlocked) __CLEARPAGEFLAG(Mlocked, mlocked)
        TESTSCFLAG(Mlocked, mlocked) __TESTCLEARFLAG(Mlocked, mlocked)
 #else
-#define MLOCK_PAGES 0
 PAGEFLAG_FALSE(Mlocked) SETPAGEFLAG_NOOP(Mlocked)
        TESTCLEARFLAG_FALSE(Mlocked) __TESTCLEARFLAG_FALSE(Mlocked)
 #endif
@@ -277,13 +275,15 @@ PAGEFLAG_FALSE(Uncached)
 
 #ifdef CONFIG_MEMORY_FAILURE
 PAGEFLAG(HWPoison, hwpoison)
-TESTSETFLAG(HWPoison, hwpoison)
+TESTSCFLAG(HWPoison, hwpoison)
 #define __PG_HWPOISON (1UL << PG_hwpoison)
 #else
 PAGEFLAG_FALSE(HWPoison)
 #define __PG_HWPOISON 0
 #endif
 
+u64 stable_page_flags(struct page *page);
+
 static inline int PageUptodate(struct page *page)
 {
        int ret = test_bit(PG_uptodate, &(page)->flags);
@@ -393,7 +393,7 @@ static inline void __ClearPageTail(struct page *page)
 
 #endif /* !PAGEFLAGS_EXTENDED */
 
-#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT
+#ifdef CONFIG_MMU
 #define __PG_MLOCKED           (1 << PG_mlocked)
 #else
 #define __PG_MLOCKED           0