From cb16a7b3872e9a806f16b1f09b59103fafc7b796 Mon Sep 17 00:00:00 2001 From: Hillf Danton Date: Sat, 18 Sep 2010 08:41:02 +0800 Subject: [PATCH] KVM: MMU: fix counting of rmap entries in rmap_add() It seems that rmap entries are under counted. Signed-off-by: Hillf Danton Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/mmu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3ce56bfe056e..c94c43289f53 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -632,6 +632,7 @@ static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn) desc->sptes[0] = (u64 *)*rmapp; desc->sptes[1] = spte; *rmapp = (unsigned long)desc | 1; + ++count; } else { rmap_printk("rmap_add: %p %llx many->many\n", spte, *spte); desc = (struct kvm_rmap_desc *)(*rmapp & ~1ul); @@ -644,7 +645,7 @@ static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn) desc = desc->more; } for (i = 0; desc->sptes[i]; ++i) - ; + ++count; desc->sptes[i] = spte; } return count; -- 2.39.2