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Diffstat (limited to 'include/linux/swap.h')
-rw-r--r--include/linux/swap.h70
1 files changed, 38 insertions, 32 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 83b95f343ab1..c2bd163a5e7e 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -350,39 +350,7 @@ extern void check_move_unevictable_pages(struct page **, int nr_pages);
extern int kswapd_run(int nid);
extern void kswapd_stop(int nid);
-#ifdef CONFIG_MEMCG
-static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg)
-{
- /* root ? */
- if (mem_cgroup_disabled() || !memcg->css.parent)
- return vm_swappiness;
-
- return memcg->swappiness;
-}
-#else
-static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
-{
- return vm_swappiness;
-}
-#endif
-#ifdef CONFIG_MEMCG_SWAP
-extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
-extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
-extern void mem_cgroup_uncharge_swap(swp_entry_t entry);
-#else
-static inline void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
-{
-}
-static inline int mem_cgroup_try_charge_swap(struct page *page,
- swp_entry_t entry)
-{
- return 0;
-}
-static inline void mem_cgroup_uncharge_swap(swp_entry_t entry)
-{
-}
-#endif
#ifdef CONFIG_SWAP
/* linux/mm/page_io.c */
extern int swap_readpage(struct page *);
@@ -561,5 +529,43 @@ static inline swp_entry_t get_swap_page(void)
}
#endif /* CONFIG_SWAP */
+
+#ifdef CONFIG_MEMCG
+static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg)
+{
+ /* root ? */
+ if (mem_cgroup_disabled() || !memcg->css.parent)
+ return vm_swappiness;
+
+ return memcg->swappiness;
+}
+
+#else
+static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
+{
+ return vm_swappiness;
+}
+#endif
+
+#ifdef CONFIG_MEMCG_SWAP
+extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
+extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
+extern void mem_cgroup_uncharge_swap(swp_entry_t entry);
+#else
+static inline void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
+{
+}
+
+static inline int mem_cgroup_try_charge_swap(struct page *page,
+ swp_entry_t entry)
+{
+ return 0;
+}
+
+static inline void mem_cgroup_uncharge_swap(swp_entry_t entry)
+{
+}
+#endif
+
#endif /* __KERNEL__*/
#endif /* _LINUX_SWAP_H */