KVM: MMU: remove the arithmetic of parent pte rmap
Parent pte rmap and page rmap are very similar, so use the same arithmetic
for them
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index e6a4a57..ff17deb 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -227,14 +227,10 @@
* in this shadow page.
*/
DECLARE_BITMAP(slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS);
- bool multimapped; /* More than one parent_pte? */
bool unsync;
int root_count; /* Currently serving as active root */
unsigned int unsync_children;
- union {
- u64 *parent_pte; /* !multimapped */
- struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */
- };
+ unsigned long parent_ptes; /* Reverse mapping for parent_pte */
DECLARE_BITMAP(unsync_child_bitmap, 512);
};
@@ -346,7 +342,6 @@
* put it here to avoid allocation */
struct kvm_pv_mmu_op_buffer mmu_op_buffer;
- struct kvm_mmu_memory_cache mmu_pte_chain_cache;
struct kvm_mmu_memory_cache mmu_pte_list_desc_cache;
struct kvm_mmu_memory_cache mmu_page_cache;
struct kvm_mmu_memory_cache mmu_page_header_cache;