linux-kernel - [PATCH 19/33] KVM: MMU: Remove release_pt_page

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Date:	Thu, 04 Jan 2007 16:08:07 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 19/33] KVM: MMU: Remove release_pt_page_64()

Unused.

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

Index: linux-2.6/drivers/kvm/mmu.c
===================================================================
--- linux-2.6.orig/drivers/kvm/mmu.c
+++ linux-2.6/drivers/kvm/mmu.c
@@ -609,35 +609,6 @@ hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, 
 	return gpa_to_hpa(vcpu, gpa);
 }
 
-
-static void release_pt_page_64(struct kvm_vcpu *vcpu, hpa_t page_hpa,
-			       int level)
-{
-	u64 *pos;
-	u64 *end;
-
-	ASSERT(vcpu);
-	ASSERT(VALID_PAGE(page_hpa));
-	ASSERT(level <= PT64_ROOT_LEVEL && level > 0);
-
-	for (pos = __va(page_hpa), end = pos + PT64_ENT_PER_PAGE;
-	     pos != end; pos++) {
-		u64 current_ent = *pos;
-
-		if (is_present_pte(current_ent)) {
-			if (level != 1)
-				release_pt_page_64(vcpu,
-						  current_ent &
-						  PT64_BASE_ADDR_MASK,
-						  level - 1);
-			else
-				rmap_remove(vcpu->kvm, pos);
-		}
-		*pos = 0;
-	}
-	kvm_mmu_free_page(vcpu, page_hpa);
-}
-
 static void nonpaging_new_cr3(struct kvm_vcpu *vcpu)
 {
 }
-
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