Commit 790c7369 authored by Guenter Roeck's avatar Guenter Roeck Committed by Linus Torvalds
Browse files

mm/gup.c: mark undo_dev_pagemap as __maybe_unused

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/1562072523-22311-1-git-send-email-linux@roeck-us.net

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b5d1c39f
......@@ -1796,7 +1796,8 @@ static inline pte_t gup_get_pte(pte_t *ptep)
}
#endif /* CONFIG_GUP_GET_PTE_LOW_HIGH */
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)];
......
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