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Subject[PATCH] mm/page_alloc.c: Remove function return value
Date
From: lvqian <lvqian@nfschina.com>

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

Signed-off-by: lvqian <lvqian@nfschina.com>
---
mm/page_alloc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 0745aedebb37..fffe16d854a9 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -828,17 +828,16 @@ static int __init early_debug_pagealloc(char *buf)
}
early_param("debug_pagealloc", early_debug_pagealloc);

-static int __init debug_guardpage_minorder_setup(char *buf)
+static void __init debug_guardpage_minorder_setup(char *buf)
{
unsigned long res;

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
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