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mm: make swap token dummies static inlines

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Make use of the compiler's typechecking on !CONFIG_SWAP as well.

[akpm@linux-foundation.org: build fix]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner 2009-09-21 17:01:13 -07:00 committed by Linus Torvalds
parent 83d5cde47d
commit a5abeeacc4
1 changed files with 16 additions and 4 deletions
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20
include/linux/swap.h
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@ -419,10 +419,22 @@ static inline swp_entry_t get_swap_page(void)
} }
/* linux/mm/thrash.c */ /* linux/mm/thrash.c */
#define put_swap_token(mm) do { } while (0) static inline void put_swap_token(struct mm_struct *mm)
#define grab_swap_token(mm) do { } while (0) {
#define has_swap_token(mm) 0 }
#define disable_swap_token() do { } while (0)
static inline void grab_swap_token(struct mm_struct *mm)
{
}
static inline int has_swap_token(struct mm_struct *mm)
{
return 0;
}
static inline void disable_swap_token(void)
{
}
static inline void static inline void
mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent) mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)