Put all members required for direct pages together, to reduce cache footprint
for those pages.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/include/asm/kvm_host.h | 15 ++++++++-------
1 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 3f0007b..cdaaedc 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -192,6 +192,13 @@ struct kvm_mmu_page {
*/
gfn_t gfn;
union kvm_mmu_page_role role;
+ int root_count; /* Currently serving as active root */
+ bool multimapped; /* More than one parent_pte? */
+ bool unsync;
+ union {
+ u64 *parent_pte; /* !multimapped */
+ struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */
+ };
u64 *spt;
/* hold the gfn of each spte inside spt */
@@ -201,14 +208,8 @@ struct kvm_mmu_page {
* 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 */
- };
DECLARE_BITMAP(unsync_child_bitmap, 512);
};
--
1.7.0.4
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