From 5ae632ed356c2f2e42a3e7ea447e98a9e684539c Mon Sep 17 00:00:00 2001 From: Kefeng Wang Date: Sat, 29 May 2021 19:15:10 +0800 Subject: [PATCH] arm64: mm: Use better bitmap_zalloc() Use better bitmap_zalloc() to allocate bitmap. Cc: Catalin Marinas Cc: Will Deacon Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Kefeng Wang Link: https://lore.kernel.org/r/20210529111510.186355-1-wangkefeng.wang@huawei.com Signed-off-by: Will Deacon --- arch/arm64/mm/context.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c index 001737a8f309..cd72576ae2b7 100644 --- a/arch/arm64/mm/context.c +++ b/arch/arm64/mm/context.c @@ -402,14 +402,12 @@ static int asids_init(void) { asid_bits = get_cpu_asid_bits(); atomic64_set(&asid_generation, ASID_FIRST_VERSION); - asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS), sizeof(*asid_map), - GFP_KERNEL); + asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL); if (!asid_map) panic("Failed to allocate bitmap for %lu ASIDs\n", NUM_USER_ASIDS); - pinned_asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS), - sizeof(*pinned_asid_map), GFP_KERNEL); + pinned_asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL); nr_pinned_asids = 0; /*