diff options
Diffstat (limited to 'include/linux/writeback.h')
| -rw-r--r-- | include/linux/writeback.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index a378c295851..995b8bf630a 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -7,6 +7,8 @@ #include <linux/sched.h> #include <linux/fs.h> +DECLARE_PER_CPU(int, dirty_throttle_leaks); + /* * The 1/4 region under the global dirty thresh is for smooth dirty throttling: * @@ -23,11 +25,6 @@ #define DIRTY_SCOPE 8 #define DIRTY_FULL_SCOPE (DIRTY_SCOPE / 2) -/* - * 4MB minimal write chunk size - */ -#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_CACHE_SHIFT - 10)) - struct backing_dev_info; /* @@ -124,6 +121,7 @@ void laptop_mode_timer_fn(unsigned long data); static inline void laptop_sync_completion(void) { } #endif void throttle_vm_writeout(gfp_t gfp_mask); +bool zone_dirty_ok(struct zone *zone); extern unsigned long global_dirty_limit; @@ -138,8 +136,6 @@ extern int vm_highmem_is_dirtyable; extern int block_dump; extern int laptop_mode; -extern unsigned long determine_dirtyable_memory(void); - extern int dirty_background_ratio_handler(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); @@ -195,6 +191,8 @@ void writeback_set_ratelimit(void); void tag_pages_for_writeback(struct address_space *mapping, pgoff_t start, pgoff_t end); +void account_page_redirty(struct page *page); + /* pdflush.c */ extern int nr_pdflush_threads; /* Global so it can be exported to sysctl read-only. */ |