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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-07-02 08:39:09 -0400
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-07-02 08:39:09 -0400
commitd2f6409584e2c62ffad81690562330ff3bf4a458 (patch)
tree3bdfb97d0b51be2f7f414f2107e97603c1206abb /include/linux/page-flags.h
parente1b09eba2686eca94a3a188042b518df6044a3c1 (diff)
parent4a89a04f1ee21a7c1f4413f1ad7dcfac50ff9b63 (diff)
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r--include/linux/page-flags.h35
1 files changed, 17 insertions, 18 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 39ab8c6b5652..f5a6695d4d21 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
@@ -136,8 +135,8 @@ struct page_state {
136 135
137extern void get_page_state(struct page_state *ret); 136extern void get_page_state(struct page_state *ret);
138extern void get_full_page_state(struct page_state *ret); 137extern void get_full_page_state(struct page_state *ret);
139extern unsigned long __read_page_state(unsigned offset); 138extern unsigned long __read_page_state(unsigned long offset);
140extern void __mod_page_state(unsigned offset, unsigned long delta); 139extern void __mod_page_state(unsigned long offset, unsigned long delta);
141 140
142#define read_page_state(member) \ 141#define read_page_state(member) \
143 __read_page_state(offsetof(struct page_state, member)) 142 __read_page_state(offsetof(struct page_state, member))
@@ -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