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KVM: arm64: Drop useless __GFP_HIGHMEM from kvm struct allocation

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A recent change on the receiving end of vmalloc() started warning about
unsupported GFP flags passed by the caller. Nathan reports that this
warning fires in kvm_arch_alloc_vm(), owing to the fact that KVM is
passing a meaningless __GFP_HIGHMEM.

Do as the warning says and fix the code.

Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/kvmarm/20251118224448.GA998046@ax162/
Acked-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Link: https://msgid.link/20251119093822.2513142-2-oupton@kernel.org
Signed-off-by: Oliver Upton <oupton@kernel.org>
This commit is contained in:
Oliver Upton 2025-11-19 01:38:21 -08:00
parent dcb6fa37fd
commit 297877069b
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kvm/arm.c
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@ -440,7 +440,7 @@ struct kvm *kvm_arch_alloc_vm(void)
if (!has_vhe())
return kzalloc(sz, GFP_KERNEL_ACCOUNT);
return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_HIGHMEM | __GFP_ZERO);
return __vmalloc(sz, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
}
int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id)