2022-12-29 07:44:46

by Lv qian

[permalink] [raw]
Subject: [PATCH] mm/page_alloc.c: Remove function return value

From: lvqian <[email protected]>

The return value of this function has no meaning,
so the original bool type is replaced with a void type,
which reduces the execution time of one return.

Signed-off-by: lvqian <[email protected]>
---
mm/page_alloc.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 0745aedebb37..5304bd5d2f6c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -834,11 +834,10 @@ static int __init debug_guardpage_minorder_setup(char *buf)

if (kstrtoul(buf, 10, &res) < 0 || res > MAX_ORDER / 2) {
pr_err("Bad debug_guardpage_minorder value\n");
- return 0;
+ } else {
+ _debug_guardpage_minorder = res;
+ pr_info("Setting debug_guardpage_minorder to %lu\n", res);
}
- _debug_guardpage_minorder = res;
- pr_info("Setting debug_guardpage_minorder to %lu\n", res);
- return 0;
}
early_param("debug_guardpage_minorder", debug_guardpage_minorder_setup);

--
2.34.1