Kernel test robot reports the built-in u64/u32 in init_owner_info()
doesn't work for m68k arch, the explicit div_u64() should be used.

This patch explicit uses div_u64() to do the u64/u32 division on
32bit m68k arch.

Reported-by: kernel test robot <redacted>
Signed-off-by: Coly Li <redacted>
Cc: Jianpeng Ma <redacted>
Cc: Qiaowei Ren <redacted>
---
 drivers/md/bcache/nvm-pages.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c
index c3ab396a45fa..19597ae7ef3e 100644
--- a/drivers/md/bcache/nvm-pages.c
+++ b/drivers/md/bcache/nvm-pages.c

@@ -405,7 +405,7 @@ static int init_owner_info(struct bch_nvm_namespace *ns)
 	only_set->owner_list_used = owner_list_head->used;
 
 	/*remove used space*/
-	remove_owner_space(ns, 0, ns->pages_offset/ns->page_size);
+	remove_owner_space(ns, 0, div_u64(ns->pages_offset, ns->page_size));
 
 	sys_recs = ns->kaddr + BCH_NVM_PAGES_SYS_RECS_HEAD_OFFSET;
 	// suppose no hole in array

-- 
2.26.2