linux-kernel - [PATCH] mm: skip less than check for MAX_NR

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Message-ID: <20240819031911.367900-1-alexs@kernel.org>
Date: Mon, 19 Aug 2024 11:19:11 +0800
From: alexs@...nel.org
To: linux-kernel@...r.kernel.org (open list)
Cc: Alex Shi <alexs@...nel.org>,
	linux-mm@...ck.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] mm: skip less than check for MAX_NR_ZONES

From: Alex Shi <alexs@...nel.org>

Remove unnecessary '<' check for ZONES_SHIFT assignment.

Signed-off-by: Alex Shi <alexs@...nel.org>
Cc: linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 include/linux/page-flags-layout.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/page-flags-layout.h b/include/linux/page-flags-layout.h
index 7d79818dc065..7acf67c64d5a 100644
--- a/include/linux/page-flags-layout.h
+++ b/include/linux/page-flags-layout.h
@@ -14,7 +14,7 @@
  */
 #if MAX_NR_ZONES < 2
 #define ZONES_SHIFT 0
-#elif MAX_NR_ZONES <= 2
+#elif MAX_NR_ZONES = 2
 #define ZONES_SHIFT 1
 #elif MAX_NR_ZONES <= 4
 #define ZONES_SHIFT 2
-- 
2.43.0