[patch 087/166] mm/mm_init.c: clean code. Use BUILD_BUG_ON when comparing compile time constant

Andrew Morton
2020-04-07T03:08:39Z

From: Mateusz Nosek <mateusznosek0@gmail.com>
Subject: mm/mm_init.c: clean code. Use BUILD_BUG_ON when comparing compile time constant

MAX_ZONELISTS is a compile time constant, so it should be compared using
BUILD_BUG_ON not BUG_ON.

Link: http://lkml.kernel.org/r/20200228224617.11343-1-mateusznosek0@gmail.com
Signed-off-by: Mateusz Nosek <mateusznosek0@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

mm/mm_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/mm_init.c~mm-mm_initc-clean-code-use-build_bug_on-when-comparing-compile-time-constant
+++ a/mm/mm_init.c
@@ -37,7 +37,7 @@ void __init mminit_verify_zonelist(void)
struct zonelist *zonelist;
int i, listid, zoneid;

- BUG_ON(MAX_ZONELISTS > 2);
+ BUILD_BUG_ON(MAX_ZONELISTS > 2);
for (i = 0; i < MAX_ZONELISTS * MAX_NR_ZONES; i++) {

/* Identify the zone and nodelist */
_