Commit a00e9e43 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Marc Zyngier
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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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/3c5043731db4d3635383e9326bc7e98e25de3288.1681854412.git.christophe.jaillet@wanadoo.fr
parent 4be8ddb4

arch/arm64/kvm/vmid.c

+2 −3
Original line number Diff line number Diff line
@@ -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);

}