[PATCH 3/3] mm: Remove unused page flags

From: Rafael J. Wysocki
Date: Mon Mar 12 2007 - 17:20:57 EST


From: Rafael J. Wysocki <rjw@xxxxxxx>

Remove the two page flags that were previously used by swsusp and are no longer
needed.

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
---
include/linux/page-flags.h | 12 ------------
1 file changed, 12 deletions(-)

Index: linux-2.6.21-rc3/include/linux/page-flags.h
===================================================================
--- linux-2.6.21-rc3.orig/include/linux/page-flags.h
+++ linux-2.6.21-rc3/include/linux/page-flags.h
@@ -82,13 +82,11 @@
#define PG_private 11 /* If pagecache, has fs-private data */

#define PG_writeback 12 /* Page is under writeback */
-#define PG_nosave 13 /* Used for system suspend/resume */
#define PG_compound 14 /* Part of a compound page */
#define PG_swapcache 15 /* Swap page: swp_entry_t in private */

#define PG_mappedtodisk 16 /* Has blocks allocated on-disk */
#define PG_reclaim 17 /* To be reclaimed asap */
-#define PG_nosave_free 18 /* Used for system suspend/resume */
#define PG_buddy 19 /* Page is free, on buddy lists */

/* PG_owner_priv_1 users should have descriptive aliases */
@@ -214,16 +212,6 @@ static inline void SetPageUptodate(struc
ret; \
})

-#define PageNosave(page) test_bit(PG_nosave, &(page)->flags)
-#define SetPageNosave(page) set_bit(PG_nosave, &(page)->flags)
-#define TestSetPageNosave(page) test_and_set_bit(PG_nosave, &(page)->flags)
-#define ClearPageNosave(page) clear_bit(PG_nosave, &(page)->flags)
-#define TestClearPageNosave(page) test_and_clear_bit(PG_nosave, &(page)->flags)
-
-#define PageNosaveFree(page) test_bit(PG_nosave_free, &(page)->flags)
-#define SetPageNosaveFree(page) set_bit(PG_nosave_free, &(page)->flags)
-#define ClearPageNosaveFree(page) clear_bit(PG_nosave_free, &(page)->flags)
-
#define PageBuddy(page) test_bit(PG_buddy, &(page)->flags)
#define __SetPageBuddy(page) __set_bit(PG_buddy, &(page)->flags)
#define __ClearPageBuddy(page) __clear_bit(PG_buddy, &(page)->flags)
-
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