diff options
Diffstat (limited to 'Documentation/virtual/kvm/mmu.txt')
-rw-r--r-- | Documentation/virtual/kvm/mmu.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/virtual/kvm/mmu.txt b/Documentation/virtual/kvm/mmu.txt index fa5f1dbc6b2..5dc972c09b5 100644 --- a/Documentation/virtual/kvm/mmu.txt +++ b/Documentation/virtual/kvm/mmu.txt | |||
@@ -347,7 +347,7 @@ To instantiate a large spte, four constraints must be satisfied: | |||
347 | 347 | ||
348 | - the spte must point to a large host page | 348 | - the spte must point to a large host page |
349 | - the guest pte must be a large pte of at least equivalent size (if tdp is | 349 | - the guest pte must be a large pte of at least equivalent size (if tdp is |
350 | enabled, there is no guest pte and this condition is satisfied) | 350 | enabled, there is no guest pte and this condition is satisified) |
351 | - if the spte will be writeable, the large page frame may not overlap any | 351 | - if the spte will be writeable, the large page frame may not overlap any |
352 | write-protected pages | 352 | write-protected pages |
353 | - the guest page must be wholly contained by a single memory slot | 353 | - the guest page must be wholly contained by a single memory slot |
@@ -356,7 +356,7 @@ To check the last two conditions, the mmu maintains a ->write_count set of | |||
356 | arrays for each memory slot and large page size. Every write protected page | 356 | arrays for each memory slot and large page size. Every write protected page |
357 | causes its write_count to be incremented, thus preventing instantiation of | 357 | causes its write_count to be incremented, thus preventing instantiation of |
358 | a large spte. The frames at the end of an unaligned memory slot have | 358 | a large spte. The frames at the end of an unaligned memory slot have |
359 | artificially inflated ->write_counts so they can never be instantiated. | 359 | artificically inflated ->write_counts so they can never be instantiated. |
360 | 360 | ||
361 | Further reading | 361 | Further reading |
362 | =============== | 362 | =============== |