linux-kernel - [PATCH] KVM: MMU: update comment on the number of page role combinations

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Message-Id: <20211116101114.665451-1-pbonzini@redhat.com>
Date:   Tue, 16 Nov 2021 05:11:14 -0500
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH] KVM: MMU: update comment on the number of page role combinations

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/x86/include/asm/kvm_host.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index e977634333d4..354fd2a918d5 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -291,9 +291,9 @@ struct kvm_kernel_irq_routing_entry;
  * the number of unique SPs that can theoretically be created is 2^n, where n
  * is the number of bits that are used to compute the role.
  *
- * But, even though there are 18 bits in the mask below, not all combinations
+ * But, even though there are 20 bits in the mask below, not all combinations
  * of modes and flags are possible.  The maximum number of possible upper-level
- * shadow pages for a single gfn is in the neighborhood of 2^13.
+ * shadow pages for a single gfn is in the neighborhood of 2^15.
  *
  *   - invalid shadow pages are not accounted.
  *   - level is effectively limited to four combinations, not 16 as the number
-- 
2.27.0