linux-kernel - [PATCH] mm/mm_init.c: Clean code. Use BUILD_BUG

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Message-Id: <20200228224617.11343-1-mateusznosek0@gmail.com>
Date:   Fri, 28 Feb 2020 23:46:17 +0100
From:   mateusznosek0@...il.com
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Mateusz Nosek <mateusznosek0@...il.com>, akpm@...ux-foundation.org
Subject: [PATCH] mm/mm_init.c: Clean code. Use BUILD_BUG_ON when comparing compile time constant

From: Mateusz Nosek <mateusznosek0@...il.com>

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

Signed-off-by: Mateusz Nosek <mateusznosek0@...il.com>
---
 mm/mm_init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mm_init.c b/mm/mm_init.c
index 5c918388de99..7da6991d9435 100644
--- a/mm/mm_init.c
+++ b/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 */
-- 
2.17.1