[PATCH 1/5] KVM: MMU: Rearrange struct kvm_mmu_page

[Avi Kivity <avi@redhat.com>]

Put all members required for direct pages together, to reduce cache footprint
for those pages.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
 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