diff options
Diffstat (limited to 'include/linux/page-flags.h')
| -rw-r--r-- | include/linux/page-flags.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 0327a8421c9d..5c3bded564d8 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -72,7 +72,8 @@ #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 */ +#define PG_reclaim 18 /* To be reclaimed asap */ +#define PG_compound 19 /* Part of a compound page */ /* * Global page accounting. One instance per CPU. Only unsigned longs are @@ -251,6 +252,10 @@ extern void get_full_page_state(struct page_state *ret); #define ClearPageReclaim(page) clear_bit(PG_reclaim, &(page)->flags) #define TestClearPageReclaim(page) test_and_clear_bit(PG_reclaim, &(page)->flags) +#define PageCompound(page) test_bit(PG_compound, &(page)->flags) +#define SetPageCompound(page) set_bit(PG_compound, &(page)->flags) +#define ClearPageCompound(page) clear_bit(PG_compound, &(page)->flags) + /* * The PageSwapCache predicate doesn't use a PG_flag at this time, * but it may again do so one day. |