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arm64: mm: Use better bitmap_zalloc()

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Use better bitmap_zalloc() to allocate bitmap.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20210529111510.186355-1-wangkefeng.wang@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Kefeng Wang 2021-05-29 19:15:10 +08:00 committed by Will Deacon
parent 40221c7376
commit 5ae632ed35
1 changed files with 2 additions and 4 deletions
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6
arch/arm64/mm/context.c
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@ -402,14 +402,12 @@ static int asids_init(void)
{ {
asid_bits = get_cpu_asid_bits(); asid_bits = get_cpu_asid_bits();
atomic64_set(&asid_generation, ASID_FIRST_VERSION); atomic64_set(&asid_generation, ASID_FIRST_VERSION);
asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS), sizeof(*asid_map), asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL);
GFP_KERNEL);
if (!asid_map) if (!asid_map)
panic("Failed to allocate bitmap for %lu ASIDs\n", panic("Failed to allocate bitmap for %lu ASIDs\n",
NUM_USER_ASIDS); NUM_USER_ASIDS);
pinned_asid_map = kcalloc(BITS_TO_LONGS(NUM_USER_ASIDS), pinned_asid_map = bitmap_zalloc(NUM_USER_ASIDS, GFP_KERNEL);
sizeof(*pinned_asid_map), GFP_KERNEL);
nr_pinned_asids = 0; nr_pinned_asids = 0;
/* /*