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| author | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
| commit | 2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch) | |
| tree | 9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /mm/internal.h | |
| parent | 08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff) | |
| parent | 2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff) | |
| download | linux-2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc.tar.xz | |
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 29e1e761f9eb..07b67361a40a 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -11,6 +11,7 @@ #ifndef __MM_INTERNAL_H #define __MM_INTERNAL_H +#include <linux/fs.h> #include <linux/mm.h> void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma, @@ -21,6 +22,20 @@ static inline void set_page_count(struct page *page, int v) atomic_set(&page->_count, v); } +extern int __do_page_cache_readahead(struct address_space *mapping, + struct file *filp, pgoff_t offset, unsigned long nr_to_read, + unsigned long lookahead_size); + +/* + * Submit IO for the read-ahead request in file_ra_state. + */ +static inline unsigned long ra_submit(struct file_ra_state *ra, + struct address_space *mapping, struct file *filp) +{ + return __do_page_cache_readahead(mapping, filp, + ra->start, ra->size, ra->async_size); +} + /* * Turn a non-refcounted page (->_count == 0) into refcounted with * a count of one. @@ -370,5 +385,6 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, #define ALLOC_HIGH 0x20 /* __GFP_HIGH set */ #define ALLOC_CPUSET 0x40 /* check for correct cpuset */ #define ALLOC_CMA 0x80 /* allow allocations from CMA areas */ +#define ALLOC_FAIR 0x100 /* fair zone allocation */ #endif /* __MM_INTERNAL_H */ |