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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-04-18 23:47:38 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2023-04-20 10:10:28 +0200 |
| commit | a00e9e4319c2a8a8b166da028292de83190e39a4 (patch) | |
| tree | c9e910e07d16e4a5d94698008ae9924b5dc16b13 | |
| parent | KVM: arm64: Slightly optimize flush_context() (diff) | |
| download | linux-a00e9e4319c2a8a8b166da028292de83190e39a4.tar.xz linux-a00e9e4319c2a8a8b166da028292de83190e39a4.zip | |
KVM: arm64: Use the bitmap API to allocate bitmaps
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/3c5043731db4d3635383e9326bc7e98e25de3288.1681854412.git.christophe.jaillet@wanadoo.fr
| -rw-r--r-- | arch/arm64/kvm/vmid.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/arm64/kvm/vmid.c b/arch/arm64/kvm/vmid.c index bbf0677cfefa..7fe8ba1a2851 100644 --- a/arch/arm64/kvm/vmid.c +++ b/arch/arm64/kvm/vmid.c @@ -182,8 +182,7 @@ int __init kvm_arm_vmid_alloc_init(void) */ WARN_ON(NUM_USER_VMIDS - 1 <= num_possible_cpus()); atomic64_set(&vmid_generation, VMID_FIRST_VERSION); - vmid_map = kcalloc(BITS_TO_LONGS(NUM_USER_VMIDS), - sizeof(*vmid_map), GFP_KERNEL); + vmid_map = bitmap_zalloc(NUM_USER_VMIDS, GFP_KERNEL); if (!vmid_map) return -ENOMEM; @@ -192,5 +191,5 @@ int __init kvm_arm_vmid_alloc_init(void) void __init kvm_arm_vmid_alloc_free(void) { - kfree(vmid_map); + bitmap_free(vmid_map); } |