linux-kernel - [PATCH] sysctl: remove max_extfrag

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Date:   Mon, 5 Sep 2022 20:47:24 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
        "Liu Shixin" <liushixin2@...wei.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH] sysctl: remove max_extfrag_threshold

Remove max_extfrag_threshold and replace by SYSCTL_ONE_THOUSAND.

No functional change.

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
---
 kernel/sysctl.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f10a610aa834..48dbe154d939 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -129,11 +129,6 @@ static enum sysctl_writes_mode sysctl_writes_strict = SYSCTL_WRITES_STRICT;
 int sysctl_legacy_va_layout;
 #endif
 
-#ifdef CONFIG_COMPACTION
-/* min_extfrag_threshold is SYSCTL_ZERO */;
-static const int max_extfrag_threshold = 1000;
-#endif
-
 #endif /* CONFIG_SYSCTL */
 
 /*
@@ -2224,7 +2219,7 @@ static struct ctl_table vm_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= SYSCTL_ZERO,
-		.extra2		= (void *)&max_extfrag_threshold,
+		.extra2		= SYSCTL_ONE_THOUSAND,
 	},
 	{
 		.procname	= "compact_unevictable_allowed",
-- 
2.25.1