linux-kernel - [PATCH] mm/compaction: improve comment for compact

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Message-Id: <1448442448-3268-1-git-send-email-baiyaowei@cmss.chinamobile.com>
Date:	Wed, 25 Nov 2015 17:07:28 +0800
From:	Yaowei Bai <baiyaowei@...s.chinamobile.com>
To:	akpm@...ux-foundation.org
Cc:	vbabka@...e.cz, iamjoonsoo.kim@....com, riel@...hat.com,
	mina86@...a86.com, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mm/compaction: improve comment for compact_memory tunable knob handler

Sysctl_compaction_handler() is the handler function for compact_memory
tunable knob under /proc/sys/vm, add the missing knob name to make this
more accurate in comment.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>
---
 mm/compaction.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index de3e1e7..ac6c694 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1708,7 +1708,10 @@ static void compact_nodes(void)
 /* The written value is actually unused, all memory is compacted */
 int sysctl_compact_memory;
 
-/* This is the entry point for compacting all nodes via /proc/sys/vm */
+/*
+ * This is the entry point for compacting all nodes via
+ * /proc/sys/vm/compact_memory
+ */
 int sysctl_compaction_handler(struct ctl_table *table, int write,
 			void __user *buffer, size_t *length, loff_t *ppos)
 {
-- 
1.9.1



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