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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2023-04-18 23:47:38 +0200
committerMarc Zyngier <maz@kernel.org>2023-04-20 09:10:28 +0100
commita00e9e4319c2a8a8b166da028292de83190e39a4 (patch)
treec9e910e07d16e4a5d94698008ae9924b5dc16b13
parent4be8ddb48b1b6c6067fb59c846b9c6e19d6efe14 (diff)
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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.c5
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);
}