KVM: Make mark_page_dirty() work for aliased pages too.
KVM: Make mark_page_dirty() work for aliased pages too.

Recommended by Izik Eidus.

Signed-off-by: Uri Lublin <0332784c07b6f27b46541214503bc0da50f0f291@qumranet.com>
Signed-off-by: Avi Kivity <8f920f22884d6fea9df883843c4a8095a2e5ac6f@qumranet.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs