aboutsummaryrefslogtreecommitdiff
path: root/include/linux/swap.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
commitd19b85db9d5c44a4c21dcb10d6fbadaa4425ab2a (patch)
tree250be7a5a29069f7d1f4524fa45ab0e988833025 /include/linux/swap.h
parent490dea45d00f01847ebebd007685d564aaf2cd98 (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
Merge commit 'v2.6.29-rc1' into timers/urgent
Diffstat (limited to 'include/linux/swap.h')
-rw-r--r--include/linux/swap.h25
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 91dee50fe26..d3021557887 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -214,7 +214,8 @@ static inline void lru_cache_add_active_file(struct page *page)
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
gfp_t gfp_mask);
extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
- gfp_t gfp_mask);
+ gfp_t gfp_mask, bool noswap,
+ unsigned int swappiness);
extern int __isolate_lru_page(struct page *page, int mode, int file);
extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness;
@@ -333,6 +334,22 @@ static inline void disable_swap_token(void)
put_swap_token(swap_token_mm);
}
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+extern void mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent);
+#else
+static inline void
+mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)
+{
+}
+#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 */
#define nr_swap_pages 0L
@@ -409,6 +426,12 @@ static inline swp_entry_t get_swap_page(void)
#define has_swap_token(x) 0
#define disable_swap_token() do { } while(0)
+static inline int mem_cgroup_cache_charge_swapin(struct page *page,
+ struct mm_struct *mm, gfp_t mask, bool locked)
+{
+ return 0;
+}
+
#endif /* CONFIG_SWAP */
#endif /* __KERNEL__*/
#endif /* _LINUX_SWAP_H */