KVM: arm64: Update age handlers to support PUD hugepages
In preparation for creating larger hugepages at Stage 2, add support to the age handling notifiers for PUD hugepages when encountered. Provide trivial helpers for arm32 to allow sharing code. Signed-off-by: NPunit Agrawal <punit.agrawal@arm.com> Reviewed-by: NChristoffer Dall <christoffer.dall@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> [ Replaced BUG() => WARN_ON(1) for arm32 PUD helpers ] Signed-off-by: NSuzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
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