From: Guenter Roeck <[email protected]> [ Upstream commit 790c73690c2bbecb3f6f8becbdb11ddc9bcff8cc ]
Several mips builds generate the following build warning. mm/gup.c:1788:13: warning: 'undo_dev_pagemap' defined but not used The function is declared unconditionally but only called from behind various ifdefs. Mark it __maybe_unused. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]> Reviewed-by: Andrew Morton <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Robin Murphy <[email protected]> Cc: Kirill A. Shutemov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/gup.c b/mm/gup.c index ddde097cf9e4..22855ff0b448 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1696,7 +1696,8 @@ static inline pte_t gup_get_pte(pte_t *ptep) } #endif -static void undo_dev_pagemap(int *nr, int nr_start, struct page **pages) +static void __maybe_unused undo_dev_pagemap(int *nr, int nr_start, + struct page **pages) { while ((*nr) - nr_start) { struct page *page = pages[--(*nr)]; -- 2.20.1
