mm: remove unused page flags
Rafael J. Wysocki [Sun, 6 May 2007 21:50:43 +0000 (14:50 -0700)]
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/page-flags.h

index a3c8b60..ae2d79f 100644 (file)
 #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 */
@@ -215,16 +213,6 @@ static inline void SetPageUptodate(struct page *page)
                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)