diff options
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 5b1fdf1cff4..aca9bfae208 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -1,7 +1,6 @@ #ifndef _LINUX_SWAP_H #define _LINUX_SWAP_H -#include <linux/config.h> #include <linux/spinlock.h> #include <linux/linkage.h> #include <linux/mmzone.h> @@ -296,7 +295,7 @@ static inline void disable_swap_token(void) #define read_swap_cache_async(swp,vma,addr) NULL #define lookup_swap_cache(swp) NULL #define valid_swaphandles(swp, off) 0 -#define can_share_swap_page(p) 0 +#define can_share_swap_page(p) (page_mapcount(p) == 1) #define move_to_swap_cache(p, swp) 1 #define move_from_swap_cache(p, i, m) 1 #define __delete_from_swap_cache(p) /*NOTHING*/ |