KVM: MMU: Make the way of accessing lpage_info more generic
Large page information has two elements but one of them, write_count, alone
is accessed by a helper function.
This patch replaces this helper function with more generic one which returns
newly named kvm_lpage_info structure and use it to access the other element
rmap_pde.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ac4e83a..bd0da8f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -146,6 +146,11 @@
*/
#define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
+struct kvm_lpage_info {
+ unsigned long rmap_pde;
+ int write_count;
+};
+
struct kvm_memory_slot {
gfn_t base_gfn;
unsigned long npages;
@@ -153,10 +158,7 @@
unsigned long *rmap;
unsigned long *dirty_bitmap;
unsigned long *dirty_bitmap_head;
- struct {
- unsigned long rmap_pde;
- int write_count;
- } *lpage_info[KVM_NR_PAGE_SIZES - 1];
+ struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
unsigned long userspace_addr;
int user_alloc;
int id;