kvm: update_memslots: drop not needed check for the same number of pages

if number of pages haven't changed sorting algorithm
will do nothing, so there is no need to do extra check
to avoid entering sorting logic.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 5b4533079eaa87604d95b63d7216c2161b4616d0..407277b33dc845e859331d30fcfb6f887886b577 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -679,21 +679,19 @@ static void update_memslots(struct kvm_memslots *slots,
        struct kvm_memory_slot *mslots = slots->memslots;
 
        WARN_ON(mslots[i].id != id);
-       if (new->npages != mslots[i].npages) {
-               if (new->npages < mslots[i].npages) {
-                       while (i < KVM_MEM_SLOTS_NUM - 1 &&
-                              new->npages < mslots[i + 1].npages) {
-                               mslots[i] = mslots[i + 1];
-                               slots->id_to_index[mslots[i].id] = i;
-                               i++;
-                       }
-               } else {
-                       while (i > 0 &&
-                              new->npages > mslots[i - 1].npages) {
-                               mslots[i] = mslots[i - 1];
-                               slots->id_to_index[mslots[i].id] = i;
-                               i--;
-                       }
+       if (new->npages < mslots[i].npages) {
+               while (i < KVM_MEM_SLOTS_NUM - 1 &&
+                      new->npages < mslots[i + 1].npages) {
+                       mslots[i] = mslots[i + 1];
+                       slots->id_to_index[mslots[i].id] = i;
+                       i++;
+               }
+       } else {
+               while (i > 0 &&
+                      new->npages > mslots[i - 1].npages) {
+                       mslots[i] = mslots[i - 1];
+                       slots->id_to_index[mslots[i].id] = i;
+                       i--;
                }
        }