[PATCH] tracing/mm: val should be signed

[PATCH] tracing/mm: val should be signed

[Roel Kluin]

If not signed the `val < 0' test below doesn't make sense.
Also strict_strtol requires a long pointer.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
I think this is what was intended? please review.

diff --git a/kernel/trace/trace_mm.c b/kernel/trace/trace_mm.c
index 4bc7fc0..9af2351 100644
--- a/kernel/trace/trace_mm.c
+++ b/kernel/trace/trace_mm.c
@@ -54,7 +54,8 @@ static ssize_t
 trace_mm_dump_range_write(struct file *filp, const char __user *ubuf, size_t cnt,
 		       loff_t *ppos)
 {
-	unsigned long val, start, end;
+	unsigned long start, end;
+	long val;
 	char buf[64];
 	int ret;