[54/80] KVM: Keep slot ID in memory slot structure

[Greg KH]

2.6.35-stable review patch.  If anyone has any objections, please let us know.

------------------


From: Avi Kivity <avi@xxxxxxxxxx>

commit e36d96f7cfaa71870c407131eb4fbd38ea285c01 upstream.

May be used for distinguishing between internal and user slots, or for sorting
slots in size order.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 include/linux/kvm_host.h |    1 +
 virt/kvm/kvm_main.c      |    1 +
 2 files changed, 2 insertions(+)

--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -123,6 +123,7 @@ struct kvm_memory_slot {
 	} *lpage_info[KVM_NR_PAGE_SIZES - 1];
 	unsigned long userspace_addr;
 	int user_alloc;
+	int id;
 };
 
 static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -566,6 +566,7 @@ int __kvm_set_memory_region(struct kvm *
 
 	new = old = *memslot;
 
+	new.id = mem->slot;
 	new.base_gfn = base_gfn;
 	new.npages = npages;
 	new.flags = mem->flags;


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