[PATCH] mm: page_owner: use kstrtobool() to parse bool option
From: Sergei Trofimovich
Date: Thu Apr 01 2021 - 17:09:36 EST
I tried to use page_owner=1 for a while noticed too late it had
no effect as opposed to similar init_on_alloc=1 (these work).
Let's make them consistent.
The change decreses binary size slightly:
text data bss dec hex filename
12408 321 17 12746 31ca mm/page_owner.o.before
12320 321 17 12658 3172 mm/page_owner.o.after
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: linux-mm@xxxxxxxxx
Signed-off-by: Sergei Trofimovich <slyfox@xxxxxxxxxx>
---
mm/page_owner.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index d15c7c4994f5..63e4ecaba97b 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -41,13 +41,7 @@ static void init_early_allocated_pages(void);
static int __init early_page_owner_param(char *buf)
{
- if (!buf)
- return -EINVAL;
-
- if (strcmp(buf, "on") == 0)
- page_owner_enabled = true;
-
- return 0;
+ return kstrtobool(buf, &page_owner_enabled);
}
early_param("page_owner", early_page_owner_param);
--
2.31.1