linux-kernel - [PATCH V2 5/5] mm/khugepaged: make khugepaged_collapse

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Message-ID: <20251224111351.41042-14-shivankg@amd.com>
Date: Wed, 24 Dec 2025 11:13:59 +0000
From: Shivank Garg <shivankg@....com>
To: Andrew Morton <akpm@...ux-foundation.org>, David Hildenbrand
	<david@...nel.org>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
CC: Zi Yan <ziy@...dia.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>,
	"Liam R . Howlett" <Liam.Howlett@...cle.com>, Nico Pache <npache@...hat.com>,
	Ryan Roberts <ryan.roberts@....com>, Dev Jain <dev.jain@....com>, Barry Song
	<baohua@...nel.org>, Lance Yang <lance.yang@...ux.dev>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>, <shivankg@....com>, Wei Yang
	<richard.weiyang@...il.com>
Subject: [PATCH V2 5/5] mm/khugepaged: make khugepaged_collapse_control static

The global variable 'khugepaged_collapse_control' is not used outside of
mm/khugepaged.c. Make it static to limit its scope.

Reviewed-by: Wei Yang <richard.weiyang@...il.com>
Reviewed-by: Zi Yan <ziy@...dia.com>
Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>
Signed-off-by: Shivank Garg <shivankg@....com>
---
 mm/khugepaged.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 6892b23d6fc4..4df480a87a74 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -829,7 +829,7 @@ static void khugepaged_alloc_sleep(void)
 	remove_wait_queue(&khugepaged_wait, &wait);
 }
 
-struct collapse_control khugepaged_collapse_control = {
+static struct collapse_control khugepaged_collapse_control = {
 	.is_khugepaged = true,
 };
 
-- 
2.43.0