[PATCH 08/55] KVM: Export memory slot allocation mechanism

[Avi Kivity]

From: Izik Eidus <[EMAIL PROTECTED]>

Remove kvm memory slot allocation mechanism from the ioctl
and put it to exported function.

Signed-off-by: Izik Eidus <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
---
 drivers/kvm/kvm.h      |    3 +++
 drivers/kvm/kvm_main.c |   17 +++++++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index 12de42c..f3dda08 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -513,6 +513,9 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
 extern struct page *bad_page;
 
 int is_error_page(struct page *page);
+int kvm_set_memory_region(struct kvm *kvm,
+                         struct kvm_userspace_memory_region *mem,
+                         int user_alloc);
 gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
 void kvm_release_page(struct page *page);
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 0e8f77d..16176a2 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -643,10 +643,9 @@ EXPORT_SYMBOL_GPL(fx_init);
  *
  * Discontiguous memory is allowed, mostly for framebuffers.
  */
-static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
-                                         struct
-                                         kvm_userspace_memory_region *mem,
-                                         int user_alloc)
+int kvm_set_memory_region(struct kvm *kvm,
+                         struct kvm_userspace_memory_region *mem,
+                         int user_alloc)
 {
        int r;
        gfn_t base_gfn;
@@ -789,6 +788,16 @@ out_unlock:
        kvm_free_physmem_slot(&new, &old);
 out:
        return r;
+
+}
+EXPORT_SYMBOL_GPL(kvm_set_memory_region);
+
+static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
+                                         struct
+                                         kvm_userspace_memory_region *mem,
+                                         int user_alloc)
+{
+       return kvm_set_memory_region(kvm, mem, user_alloc);
 }
 
 static int kvm_vm_ioctl_set_nr_mmu_pages(struct kvm *kvm,
-- 
1.5.3.7

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