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Subject[PATCH] mm: Use strtobool for param parsing
Date
Use strtobool rather than open coding "on" and "off" parsing in
mm/hugetlb_vmemmap.c and mm/page_table_check.c.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
mm/hugetlb_vmemmap.c | 12 +-----------
mm/page_table_check.c | 10 +---------
2 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index c540c21e26f5b..919411386e547 100644
--- a/mm/hugetlb_vmemmap.c
+++ b/mm/hugetlb_vmemmap.c
@@ -192,17 +192,7 @@ static int __init early_hugetlb_free_vmemmap_param(char *buf)
return 0;
}

- if (!buf)
- return -EINVAL;
-
- if (!strcmp(buf, "on"))
- hugetlb_free_vmemmap_enabled = true;
- else if (!strcmp(buf, "off"))
- hugetlb_free_vmemmap_enabled = false;
- else
- return -EINVAL;
-
- return 0;
+ return strtobool(buf, &hugetlb_free_vmemmap_enabled);
}
early_param("hugetlb_free_vmemmap", early_hugetlb_free_vmemmap_param);

diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index 3763bd077861a..2458281bff893 100644
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -23,15 +23,7 @@ EXPORT_SYMBOL(page_table_check_disabled);

static int __init early_page_table_check_param(char *buf)
{
- if (!buf)
- return -EINVAL;
-
- if (strcmp(buf, "on") == 0)
- __page_table_check_enabled = true;
- else if (strcmp(buf, "off") == 0)
- __page_table_check_enabled = false;
-
- return 0;
+ return strtobool(buf, &__page_table_check_enabled);
}

early_param("page_table_check", early_page_table_check_param);
--
2.35.1
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