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authorKefeng Wang <wangkefeng.wang@huawei.com>2021-05-29 14:15:10 +0300
committerWill Deacon <will@kernel.org>2021-06-01 20:52:05 +0300
commit5ae632ed356c2f2e42a3e7ea447e98a9e684539c (patch)
tree428297e76e6be6b2c864e36e09346285a6456632 /arch/arm64/mm/context.c
parent40221c737608cf324870c58ef063159c3a6a4c81 (diff)
downloadlinux-5ae632ed356c2f2e42a3e7ea447e98a9e684539c.tar.xz
arm64: mm: Use better bitmap_zalloc()
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>
Diffstat (limited to 'arch/arm64/mm/context.c')
-rw-r--r--arch/arm64/mm/context.c6
1 files 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;
/*