KVM: introduce kvm_for_each_memslot macro

Introduce kvm_for_each_memslot to walk all valid memslot

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 43f4c92816ef..42ad1f9c9f01 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -1366,14 +1366,12 @@ static void kvm_release_vm_pages(struct kvm *kvm)
 {
         struct kvm_memslots *slots;
         struct kvm_memory_slot *memslot;
-        int i, j;
+        int j;
         unsigned long base_gfn;
 
         slots = kvm_memslots(kvm);
-        for (i = 0; i < slots->nmemslots; i++) {
-                memslot = &slots->memslots[i];
+        kvm_for_each_memslot(memslot, slots) {
                 base_gfn = memslot->base_gfn;
-
                 for (j = 0; j < memslot->npages; j++) {
                         if (memslot->rmap[j])
                                 put_page((struct page *)memslot->rmap[j]);