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arm64: mm: Use better bitmap_zalloc()

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Use better bitmap_zalloc() to allocate bitmap.

Cc: Catalin Marinas <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Signed-off-by: Kefeng Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
This commit is contained in:
Kefeng Wang authored and Will Deacon committed 2021-06-01 18:52:05 +01:00
1 parent 40221c7376
commit 5ae632ed35
1 file changed
+2 -4
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arch/arm64/mm/context.c
+2 -4
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@@ -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;
/*