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

From: Paolo Bonzini
Date: Tue Nov 16 2021 - 05:12:13 EST


Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
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