KVM: struct kvm_memory_slot.id -> short
We're currently offering a whopping 32 memory slots to user space, an
int is a bit excessive for storing this. We would like to increase
our memslots, but SHRT_MAX should be more than enough.
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index fec6075..32fdc45 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -270,7 +270,7 @@
struct kvm_arch_memory_slot arch;
unsigned long userspace_addr;
u32 flags;
- int id;
+ short id;
bool user_alloc;
};
@@ -330,7 +330,7 @@
u64 generation;
struct kvm_memory_slot memslots[KVM_MEM_SLOTS_NUM];
/* The mapping table from slot id to the index in memslots[]. */
- int id_to_index[KVM_MEM_SLOTS_NUM];
+ short id_to_index[KVM_MEM_SLOTS_NUM];
};
struct kvm {