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Subject[PATCH] arm: create_mapping function to remove unused return values
Date
Change the return value to void to reduce eax register execution.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
---
arch/arm/mm/kasan_init.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c
index 5ad0d6c56d56..db2068329985 100644
--- a/arch/arm/mm/kasan_init.c
+++ b/arch/arm/mm/kasan_init.c
@@ -187,7 +187,7 @@ static void __init clear_pgds(unsigned long start,
pmd_clear(pmd_off_k(start));
}

-static int __init create_mapping(void *start, void *end)
+static void __init create_mapping(void *start, void *end)
{
void *shadow_start, *shadow_end;

@@ -199,7 +199,6 @@ static int __init create_mapping(void *start, void *end)

kasan_pgd_populate((unsigned long)shadow_start & PAGE_MASK,
PAGE_ALIGN((unsigned long)shadow_end), false);
- return 0;
}

void __init kasan_init(void)
--
2.18.2
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