[PATCH 1/5] VFS: Convert drop_caches to accept string

[Li Wang]

Signed-off-by: Li Wang <liwang@xxxxxxxxxxxxxxx>
Signed-off-by: Yunchuan Wen <yunchuanwen@xxxxxxxxxxxxxxx>
---
 kernel/sysctl.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 34a6047..2f2d8ab 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1255,12 +1255,10 @@ static struct ctl_table vm_table[] = {
 	},
 	{
 		.procname	= "drop_caches",
-		.data		= &sysctl_drop_caches,
-		.maxlen		= sizeof(int),
+		.data		= sysctl_drop_caches,
+		.maxlen		= PATH_MAX,
 		.mode		= 0644,
 		.proc_handler	= drop_caches_sysctl_handler,
-		.extra1		= &one,
-		.extra2		= &three,
 	},
 #ifdef CONFIG_COMPACTION
 	{
-- 
1.7.9.5

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