[PATCH 3/5] mm: remove unused page flags

Rafael J. Wysocki
2007-03-20T21:26:59Z

From: Rafael J. Wysocki <rjw@sisk.pl>

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

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

Index: linux-2.6.21-rc4-mm1/include/linux/page-flags.h
===================================================================
--- linux-2.6.21-rc4-mm1.orig/include/linux/page-flags.h 2007-03-20 20:58:46.000000000 +0100
+++ linux-2.6.21-rc4-mm1/include/linux/page-flags.h 2007-03-20 21:23:28.000000000 +0100
@@ -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 */
#define PG_booked 20 /* Has blocks reserved on-disk */

@@ -195,16 +193,6 @@ static inline void SetPageUptodate(struc
#define TestClearPageWriteback(page) test_and_clear_bit(PG_writeback, \
&(page)->flags)

-#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)