Just use IS_ENABLED() and remove the __frontswap_init indirection.
Also remove the unused export.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/frontswap.h | 9 +--------
mm/frontswap.c | 3 +--
mm/swapfile.c | 3 ++-
3 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h
index 5205c2977b208..73d7beb44f2b7 100644
--- a/include/linux/frontswap.h
+++ b/include/linux/frontswap.h
@@ -26,7 +26,7 @@ struct frontswap_ops {
extern void frontswap_register_ops(struct frontswap_ops *ops);
extern bool __frontswap_test(struct swap_info_struct *, pgoff_t);
-extern void __frontswap_init(unsigned type, unsigned long *map);
+extern void frontswap_init(unsigned type, unsigned long *map);
extern int __frontswap_store(struct page *page);
extern int __frontswap_load(struct page *page);
extern void __frontswap_invalidate_page(unsigned, pgoff_t);
@@ -107,11 +107,4 @@ static inline void frontswap_invalidate_area(unsigned type)
__frontswap_invalidate_area(type);
}
-static inline void frontswap_init(unsigned type, unsigned long *map)
-{
-#ifdef CONFIG_FRONTSWAP
- __frontswap_init(type, map);
-#endif
-}
-
#endif /* _LINUX_FRONTSWAP_H */
diff --git a/mm/frontswap.c b/mm/frontswap.c
index af8f68d0e5cc0..132d6ad6d70b7 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -156,7 +156,7 @@ EXPORT_SYMBOL(frontswap_register_ops);
/*
* Called when a swap device is swapon'd.
*/
-void __frontswap_init(unsigned type, unsigned long *map)
+void frontswap_init(unsigned type, unsigned long *map)
{
struct swap_info_struct *sis = swap_info[type];
struct frontswap_ops *ops;
@@ -179,7 +179,6 @@ void __frontswap_init(unsigned type, unsigned long *map)
for_each_frontswap_ops(ops)
ops->init(type);
}
-EXPORT_SYMBOL(__frontswap_init);
bool __frontswap_test(struct swap_info_struct *sis,
pgoff_t offset)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index caa9f81a0d15f..df5930ccd93dd 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2463,7 +2463,8 @@ static void enable_swap_info(struct swap_info_struct *p, int prio,
struct swap_cluster_info *cluster_info,
unsigned long *frontswap_map)
{
- frontswap_init(p->type, frontswap_map);
+ if (IS_ENABLED(CONFIG_FRONTSWAP))
+ frontswap_init(p->type, frontswap_map);
spin_lock(&swap_lock);
spin_lock(&p->lock);
setup_swap_info(p, prio, swap_map, cluster_info);
--
2.30.2
