diff options
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 17 | 
1 files changed, 10 insertions, 7 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index b86b5c20617..b1fd5c7925f 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -21,6 +21,9 @@ struct bio;  #define SWAP_FLAG_PRIO_SHIFT	0  #define SWAP_FLAG_DISCARD	0x10000 /* discard swap cluster after use */ +#define SWAP_FLAGS_VALID	(SWAP_FLAG_PRIO_MASK | SWAP_FLAG_PREFER | \ +				 SWAP_FLAG_DISCARD) +  static inline int current_is_kswapd(void)  {  	return current->flags & PF_KSWAPD; @@ -302,6 +305,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)  	return vm_swappiness;  }  #endif +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern void mem_cgroup_uncharge_swap(swp_entry_t ent); +#else +static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) +{ +} +#endif  #ifdef CONFIG_SWAP  /* linux/mm/page_io.c */  extern int swap_readpage(struct page *); @@ -372,13 +382,6 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)  {  }  #endif -#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP -extern void mem_cgroup_uncharge_swap(swp_entry_t ent); -#else -static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) -{ -} -#endif  #else /* CONFIG_SWAP */  |