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[2/5] KVM: MMU: use 16 bits for root_count

Message ID 1272271723-9070-3-git-send-email-avi@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Avi Kivity April 26, 2010, 8:48 a.m. UTC 
None
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Patch

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index cdaaedc..f38007d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -192,7 +192,7 @@  struct kvm_mmu_page {
 	 */
 	gfn_t gfn;
 	union kvm_mmu_page_role role;
-	int root_count;           /* Currently serving as active root */
+	short root_count;         /* Currently serving as active root */
 	bool multimapped;         /* More than one parent_pte? */
 	bool unsync;
 	union {