[v2,2/4] KVM: cleanup memslot_id function

Commit Message

Xiao Guangrong March 9, 2011, 7:41 a.m. UTC

None

Patch

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ab42855..57d7092 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -365,7 +365,6 @@  pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
 		      bool *writable);
 pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
 			 struct kvm_memory_slot *slot, gfn_t gfn);
-int memslot_id(struct kvm *kvm, gfn_t gfn);
 void kvm_release_pfn_dirty(pfn_t);
 void kvm_release_pfn_clean(pfn_t pfn);
 void kvm_set_pfn_dirty(pfn_t pfn);
@@ -597,6 +596,11 @@  static inline void kvm_guest_exit(void)
 	current->flags &= ~PF_VCPU;
 }
 
+static inline int memslot_id(struct kvm *kvm, gfn_t gfn)
+{
+	return gfn_to_memslot(kvm, gfn)->id;
+}
+
 static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
 					       gfn_t gfn)
 {
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 1fa0d29..cf90f28 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -997,23 +997,6 @@  out:
 	return size;
 }
 
-int memslot_id(struct kvm *kvm, gfn_t gfn)
-{
-	int i;
-	struct kvm_memslots *slots = kvm_memslots(kvm);
-	struct kvm_memory_slot *memslot = NULL;
-
-	for (i = 0; i < slots->nmemslots; ++i) {
-		memslot = &slots->memslots[i];
-
-		if (gfn >= memslot->base_gfn
-		    && gfn < memslot->base_gfn + memslot->npages)
-			break;
-	}
-
-	return memslot - slots->memslots;
-}
-
 static unsigned long gfn_to_hva_many(struct kvm_memory_slot *slot, gfn_t gfn,
 				     gfn_t *nr_pages)
 {