diff options
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r-- | include/linux/page-flags.h | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 39ab8c6b5652..df313891db10 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h | |||
@@ -61,21 +61,20 @@ | |||
61 | #define PG_active 6 | 61 | #define PG_active 6 |
62 | #define PG_slab 7 /* slab debug (Suparna wants this) */ | 62 | #define PG_slab 7 /* slab debug (Suparna wants this) */ |
63 | 63 | ||
64 | #define PG_highmem 8 | 64 | #define PG_checked 8 /* kill me in 2.5.<early>. */ |
65 | #define PG_checked 9 /* kill me in 2.5.<early>. */ | 65 | #define PG_arch_1 9 |
66 | #define PG_arch_1 10 | 66 | #define PG_reserved 10 |
67 | #define PG_reserved 11 | 67 | #define PG_private 11 /* Has something at ->private */ |
68 | 68 | ||
69 | #define PG_private 12 /* Has something at ->private */ | 69 | #define PG_writeback 12 /* Page is under writeback */ |
70 | #define PG_writeback 13 /* Page is under writeback */ | 70 | #define PG_nosave 13 /* Used for system suspend/resume */ |
71 | #define PG_nosave 14 /* Used for system suspend/resume */ | 71 | #define PG_compound 14 /* Part of a compound page */ |
72 | #define PG_compound 15 /* Part of a compound page */ | 72 | #define PG_swapcache 15 /* Swap page: swp_entry_t in private */ |
73 | 73 | ||
74 | #define PG_swapcache 16 /* Swap page: swp_entry_t in private */ | 74 | #define PG_mappedtodisk 16 /* Has blocks allocated on-disk */ |
75 | #define PG_mappedtodisk 17 /* Has blocks allocated on-disk */ | 75 | #define PG_reclaim 17 /* To be reclaimed asap */ |
76 | #define PG_reclaim 18 /* To be reclaimed asap */ | 76 | #define PG_nosave_free 18 /* Free, should not be written */ |
77 | #define PG_nosave_free 19 /* Free, should not be written */ | 77 | #define PG_uncached 19 /* Page has been mapped as uncached */ |
78 | #define PG_uncached 20 /* Page has been mapped as uncached */ | ||
79 | 78 | ||
80 | /* | 79 | /* |
81 | * Global page accounting. One instance per CPU. Only unsigned longs are | 80 | * Global page accounting. One instance per CPU. Only unsigned longs are |
@@ -215,7 +214,7 @@ extern void __mod_page_state(unsigned offset, unsigned long delta); | |||
215 | #define TestSetPageSlab(page) test_and_set_bit(PG_slab, &(page)->flags) | 214 | #define TestSetPageSlab(page) test_and_set_bit(PG_slab, &(page)->flags) |
216 | 215 | ||
217 | #ifdef CONFIG_HIGHMEM | 216 | #ifdef CONFIG_HIGHMEM |
218 | #define PageHighMem(page) test_bit(PG_highmem, &(page)->flags) | 217 | #define PageHighMem(page) is_highmem(page_zone(page)) |
219 | #else | 218 | #else |
220 | #define PageHighMem(page) 0 /* needed to optimize away at compile time */ | 219 | #define PageHighMem(page) 0 /* needed to optimize away at compile time */ |
221 | #endif | 220 | #endif |