linux-kernel - [PATCH] mm/thp: simplify has_transparent_hugepage by using IS

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Date:   Mon, 29 Aug 2022 17:57:09 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH] mm/thp: simplify has_transparent_hugepage by using IS_BUILTIN

Simplify code of has_transparent_hugepage define by using IS_BUILTIN.

No functional change.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 include/linux/pgtable.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 73fb1b2af795..a108b60a6962 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1610,11 +1610,7 @@ typedef unsigned int pgtbl_mod_mask;
 #endif
 
 #ifndef has_transparent_hugepage
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define has_transparent_hugepage() 1
-#else
-#define has_transparent_hugepage() 0
-#endif
+#define has_transparent_hugepage() IS_BUILTIN(CONFIG_TRANSPARENT_HUGEPAGE)
 #endif
 
 /*
-- 
2.25.1