From: Christoph Hellwig <hch@xxxxxx> Subject: frontswap: remove frontswap_test frontswap_test is unused now, remove it. Link: https://lkml.kernel.org/r/20211224062246.1258487-10-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> Cc: Dan Streetman <ddstreet@xxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Konrad Rzeszutek Wilk <Konrad.wilk@xxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: Seth Jennings <sjenning@xxxxxxxxxx> Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/frontswap.h | 11 ----------- mm/frontswap.c | 2 +- 2 files changed, 1 insertion(+), 12 deletions(-) --- a/include/linux/frontswap.h~frontswap-remove-frontswap_test +++ a/include/linux/frontswap.h @@ -18,7 +18,6 @@ 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 int __frontswap_store(struct page *page); extern int __frontswap_load(struct page *page); @@ -33,11 +32,6 @@ static inline bool frontswap_enabled(voi return static_branch_unlikely(&frontswap_enabled_key); } -static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset) -{ - return __frontswap_test(sis, offset); -} - static inline void frontswap_map_set(struct swap_info_struct *p, unsigned long *map) { @@ -55,11 +49,6 @@ static inline bool frontswap_enabled(voi { return false; } - -static inline bool frontswap_test(struct swap_info_struct *sis, pgoff_t offset) -{ - return false; -} static inline void frontswap_map_set(struct swap_info_struct *p, unsigned long *map) --- a/mm/frontswap.c~frontswap-remove-frontswap_test +++ a/mm/frontswap.c @@ -179,7 +179,7 @@ void frontswap_init(unsigned type, unsig ops->init(type); } -bool __frontswap_test(struct swap_info_struct *sis, +static bool __frontswap_test(struct swap_info_struct *sis, pgoff_t offset) { if (sis->frontswap_map) _