[PATCH] mm/compaction: improve comment

[Yaowei Bai <baiyaowei@cmss.chinamobile.com>]

Make comment more accurate.

Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
---
 mm/compaction.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index de3e1e7..b3cf915 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1708,7 +1708,9 @@ 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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