diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 6 | ||||
| -rw-r--r-- | include/linux/swap.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index f8aaadb1691e..7018961aea91 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -72,6 +72,7 @@ #define PG_direct 16 /* ->pte_chain points directly at pte */ #define PG_mappedtodisk 17 /* Has blocks allocated on-disk */ +#define PG_reclaim 18 /* To be recalimed asap */ /* * Global page accounting. One instance per CPU. Only unsigned longs are @@ -239,6 +240,11 @@ extern void get_full_page_state(struct page_state *ret); #define SetPageMappedToDisk(page) set_bit(PG_mappedtodisk, &(page)->flags) #define ClearPageMappedToDisk(page) clear_bit(PG_mappedtodisk, &(page)->flags) +#define PageReclaim(page) test_bit(PG_reclaim, &(page)->flags) +#define SetPageReclaim(page) set_bit(PG_reclaim, &(page)->flags) +#define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) +#define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) + /* * The PageSwapCache predicate doesn't use a PG_flag at this time, * but it may again do so one day. diff --git a/include/linux/swap.h b/include/linux/swap.h index d74f0800ab32..f6b1421f86b0 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -150,6 +150,7 @@ extern void FASTCALL(lru_cache_add(struct page *)); extern void FASTCALL(lru_cache_add_active(struct page *)); extern void FASTCALL(activate_page(struct page *)); extern void lru_add_drain(void); +extern int rotate_reclaimable_page(struct page *page); extern void swap_setup(void); /* linux/mm/vmscan.c */ |