Re: [PATCH v4 2/2] kvm: Use huge pages for DAX-backed files
From: Paolo Bonzini
Date: Wed Dec 11 2019 - 19:22:09 EST
On 11/12/19 22:32, Barret Rhoden wrote:
> + /*
> + * Our caller grabbed the KVM mmu_lock with a successful
> + * mmu_notifier_retry, so we're safe to walk the page table.
> + */
> + switch (dev_pagemap_mapping_shift(hva, current->mm)) {
> + case PMD_SHIFT:
> + case PUD_SIZE:
> + return true;
> + }
> + return false;
Should this simply be "> PAGE_SHIFT"?
Paolo