[PATCH] arm64: mm: use bitmap_zero() API

[ye.xingchen at zte.com.cn]

From: Ye Xingchen <ye.xingchen at zte.com.cn>

bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
instead of bitmap_clear().

Signed-off-by: Ye Xingchen <ye.xingchen at zte.com.cn>
---
 arch/arm64/mm/context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index e1e0dca01839..ed0bf7f8e8ce 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -95,7 +95,7 @@ static void set_reserved_asid_bits(void)
 	else if (arm64_kernel_unmapped_at_el0())
 		set_kpti_asid_bits(asid_map);
 	else
-		bitmap_clear(asid_map, 0, NUM_USER_ASIDS);
+		bitmap_zero(asid_map, NUM_USER_ASIDS);
 }

 #define asid_gen_match(asid) \
-- 
2.25.1