diff options
| author | Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-04-05 02:14:15 -0400 |
| commit | 478c6a43fcbc6c11609f8cee7c7b57223907754f (patch) | |
| tree | a7f7952099da60d33032aed6de9c0c56c9f8779e /include/linux/pagemap.h | |
| parent | 8a3f257c704e02aee9869decd069a806b45be3f1 (diff) | |
| parent | 6bb597507f9839b13498781e481f5458aea33620 (diff) | |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/cpu/cpufreq/longhaul.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 01ca0856caf..34da5230faa 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -18,9 +18,14 @@ * Bits in mapping->flags. The lower __GFP_BITS_SHIFT bits are the page * allocation mode flags. */ -#define AS_EIO (__GFP_BITS_SHIFT + 0) /* IO error on async write */ -#define AS_ENOSPC (__GFP_BITS_SHIFT + 1) /* ENOSPC on async write */ -#define AS_MM_ALL_LOCKS (__GFP_BITS_SHIFT + 2) /* under mm_take_all_locks() */ +enum mapping_flags { + AS_EIO = __GFP_BITS_SHIFT + 0, /* IO error on async write */ + AS_ENOSPC = __GFP_BITS_SHIFT + 1, /* ENOSPC on async write */ + AS_MM_ALL_LOCKS = __GFP_BITS_SHIFT + 2, /* under mm_take_all_locks() */ +#ifdef CONFIG_UNEVICTABLE_LRU + AS_UNEVICTABLE = __GFP_BITS_SHIFT + 3, /* e.g., ramdisk, SHM_LOCK */ +#endif +}; static inline void mapping_set_error(struct address_space *mapping, int error) { @@ -33,7 +38,6 @@ static inline void mapping_set_error(struct address_space *mapping, int error) } #ifdef CONFIG_UNEVICTABLE_LRU -#define AS_UNEVICTABLE (__GFP_BITS_SHIFT + 2) /* e.g., ramdisk, SHM_LOCK */ static inline void mapping_set_unevictable(struct address_space *mapping) { @@ -380,6 +384,11 @@ static inline void wait_on_page_writeback(struct page *page) extern void end_page_writeback(struct page *page); /* + * Add an arbitrary waiter to a page's wait queue + */ +extern void add_page_wait_queue(struct page *page, wait_queue_t *waiter); + +/* * Fault a userspace page into pagetables. Return non-zero on a fault. * * This assumes that two userspace pages are always sufficient. That's |