[PATCH] z3fold: use %z modifier for format string

[Arnd Bergmann <arnd@arndb.de>]

Printing a size_t requires the %zd format rather than %d:

mm/z3fold.c: In function a??init_z3folda??:
include/linux/kern_levels.h:4:18: error: format a??%da?? expects argument of type a??inta??, but argument 2 has type a??long unsigned inta?? [-Werror=format=]

Fixes: 50a50d2676c4 ("z3fold: don't fail kernel build if z3fold_header is too big")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 mm/z3fold.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index e282ba073e77..66ac7a7dc934 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -884,7 +884,7 @@ static int __init init_z3fold(void)
 {
 	/* Fail the initialization if z3fold header won't fit in one chunk */
 	if (sizeof(struct z3fold_header) > ZHDR_SIZE_ALIGNED) {
-		pr_err("z3fold: z3fold_header size (%d) is bigger than "
+		pr_err("z3fold: z3fold_header size (%zd) is bigger than "
 			"the chunk size (%d), can't proceed\n",
 			sizeof(struct z3fold_header) , ZHDR_SIZE_ALIGNED);
 		return -E2BIG;
-- 
2.9.0

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