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Diffstat (limited to 'Documentation/kvm/mmu.txt')
| -rw-r--r-- | Documentation/kvm/mmu.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/kvm/mmu.txt b/Documentation/kvm/mmu.txt index 0e872ae30914..2201dcba92a1 100644 --- a/Documentation/kvm/mmu.txt +++ b/Documentation/kvm/mmu.txt | |||
| @@ -180,7 +180,9 @@ Shadow pages contain the following information: | |||
| 180 | guest pages as leaves. | 180 | guest pages as leaves. |
| 181 | gfns: | 181 | gfns: |
| 182 | An array of 512 guest frame numbers, one for each present pte. Used to | 182 | An array of 512 guest frame numbers, one for each present pte. Used to |
| 183 | perform a reverse map from a pte to a gfn. | 183 | perform a reverse map from a pte to a gfn. When role.direct is set, any |
| 184 | element of this array can be calculated from the gfn field when used, in | ||
| 185 | this case, the array of gfns is not allocated. See role.direct and gfn. | ||
| 184 | slot_bitmap: | 186 | slot_bitmap: |
| 185 | A bitmap containing one bit per memory slot. If the page contains a pte | 187 | A bitmap containing one bit per memory slot. If the page contains a pte |
| 186 | mapping a page from memory slot n, then bit n of slot_bitmap will be set | 188 | mapping a page from memory slot n, then bit n of slot_bitmap will be set |