if CONFIG_ELF_CORE is not set, it will cause a compilation issue: error: ‘dump_emit_page’ defined but not used. Fixes: 06bbaa6dc53c "[coredump] don't use __kernel_write()" Reported-by: k2ci <kernel-bot@xxxxxxxxxx> Signed-off-by: oushixiong <oushixiong@xxxxxxxxxx> --- fs/coredump.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/coredump.c b/fs/coredump.c index de78bde2991b..95390a73b912 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -838,6 +838,7 @@ static int __dump_skip(struct coredump_params *cprm, size_t nr) } } +#ifdef CONFIG_ELF_CORE static int dump_emit_page(struct coredump_params *cprm, struct page *page) { struct bio_vec bvec = { @@ -870,6 +871,7 @@ static int dump_emit_page(struct coredump_params *cprm, struct page *page) return 1; } +#endif int dump_emit(struct coredump_params *cprm, const void *addr, int nr) { -- 2.25.1