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kvm: update_memslots: drop not needed check for the same slot

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UP/DOWN shift loops will shift array in needed
direction and stop at place where new slot should
be placed regardless of old slot size.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Igor Mammedov 2014-12-01 17:29:24 +00:00 committed by Paolo Bonzini
parent 5a38b6e6b4
commit 7f379cff11
1 changed files with 11 additions and 14 deletions
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25
virt/kvm/kvm_main.c
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@ -679,20 +679,17 @@ static void update_memslots(struct kvm_memslots *slots,
struct kvm_memory_slot *mslots = slots->memslots; struct kvm_memory_slot *mslots = slots->memslots;
WARN_ON(mslots[i].id != id); WARN_ON(mslots[i].id != id);
if (new->npages < mslots[i].npages) { while (i < KVM_MEM_SLOTS_NUM - 1 &&
while (i < KVM_MEM_SLOTS_NUM - 1 && new->npages < mslots[i + 1].npages) {
new->npages < mslots[i + 1].npages) { mslots[i] = mslots[i + 1];
mslots[i] = mslots[i + 1]; slots->id_to_index[mslots[i].id] = i;
slots->id_to_index[mslots[i].id] = i; i++;
i++; }
} while (i > 0 &&
} else { new->npages > mslots[i - 1].npages) {
while (i > 0 && mslots[i] = mslots[i - 1];
new->npages > mslots[i - 1].npages) { slots->id_to_index[mslots[i].id] = i;
mslots[i] = mslots[i - 1]; i--;
slots->id_to_index[mslots[i].id] = i;
i--;
}
} }
mslots[i] = *new; mslots[i] = *new;