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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-13 01:02:18 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-13 01:02:18 +0100 |
| commit | 9277bf4b4f94655eef177d0daffa90a47c51eb62 (patch) | |
| tree | 569b5a13b3f7030a603460d8d9ded035a6f7f48f /include/linux/swap.h | |
| parent | 897493504addc5609f04a2c4f73c37ab972c29b2 (diff) | |
| parent | 49553c2ef88749dd502687f4eb9c258bb10a4f44 (diff) | |
| download | kernel_samsung_smdk4412-9277bf4b4f94655eef177d0daffa90a47c51eb62.tar.gz kernel_samsung_smdk4412-9277bf4b4f94655eef177d0daffa90a47c51eb62.tar.bz2 kernel_samsung_smdk4412-9277bf4b4f94655eef177d0daffa90a47c51eb62.zip | |
Merge remote branch 'linus' into drm-intel-fixes
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 2fee51a11b7..7cdd63366f8 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -19,6 +19,7 @@ struct bio; #define SWAP_FLAG_PREFER 0x8000 /* set if swap priority specified */ #define SWAP_FLAG_PRIO_MASK 0x7fff #define SWAP_FLAG_PRIO_SHIFT 0 +#define SWAP_FLAG_DISCARD 0x10000 /* discard swap cluster after use */ static inline int current_is_kswapd(void) { @@ -142,7 +143,7 @@ struct swap_extent { enum { SWP_USED = (1 << 0), /* is slot in swap_info[] used? */ SWP_WRITEOK = (1 << 1), /* ok to write to this swap? */ - SWP_DISCARDABLE = (1 << 2), /* blkdev supports discard */ + SWP_DISCARDABLE = (1 << 2), /* swapon+blkdev support discard */ SWP_DISCARDING = (1 << 3), /* now discarding a free cluster */ SWP_SOLIDSTATE = (1 << 4), /* blkdev seeks are cheap */ SWP_CONTINUED = (1 << 5), /* swap_map has count continuation */ @@ -315,6 +316,7 @@ extern long nr_swap_pages; extern long total_swap_pages; extern void si_swapinfo(struct sysinfo *); extern swp_entry_t get_swap_page(void); +extern swp_entry_t get_swap_page_of_type(int); extern int valid_swaphandles(swp_entry_t, unsigned long *); extern int add_swap_count_continuation(swp_entry_t, gfp_t); extern void swap_shmem_alloc(swp_entry_t); @@ -331,13 +333,6 @@ extern int reuse_swap_page(struct page *); extern int try_to_free_swap(struct page *); struct backing_dev_info; -#ifdef CONFIG_HIBERNATION -void hibernation_freeze_swap(void); -void hibernation_thaw_swap(void); -swp_entry_t get_swap_for_hibernation(int type); -void swap_free_for_hibernation(swp_entry_t val); -#endif - /* linux/mm/thrash.c */ extern struct mm_struct *swap_token_mm; extern void grab_swap_token(struct mm_struct *); |