diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 5 | ||||
| -rw-r--r-- | include/linux/suspend.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 97325175d93b..4ac9f8c49d24 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -74,6 +74,7 @@ #define PG_swapcache 16 /* Swap page: swp_entry_t in private */ #define PG_mappedtodisk 17 /* Has blocks allocated on-disk */ #define PG_reclaim 18 /* To be reclaimed asap */ +#define PG_nosave_free 19 /* Free, should not be written */ /* @@ -277,6 +278,10 @@ extern unsigned long __read_page_state(unsigned offset); #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 PageMappedToDisk(page) test_bit(PG_mappedtodisk, &(page)->flags) #define SetPageMappedToDisk(page) set_bit(PG_mappedtodisk, &(page)->flags) #define ClearPageMappedToDisk(page) clear_bit(PG_mappedtodisk, &(page)->flags) diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 932dc2ca4152..18f0145fcbbc 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -31,6 +31,7 @@ extern int shrink_mem(void); /* mm/page_alloc.c */ extern void drain_local_pages(void); +extern void mark_free_pages(struct zone *zone); /* kernel/power/swsusp.c */ extern int software_suspend(void); |