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authorTakuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>2013-01-08 19:45:28 +0900
committerGleb Natapov <gleb@redhat.com>2013-01-14 11:13:58 +0200
commite12091ce7bdd3c82fa392a868d1bdccecee655d5 (patch)
tree9c53da262ec3521a1938d2282cbf0c03517d6aa6 /arch/x86/kvm
parentb99db1d35295cb26b61a1c665f542504110b0ac3 (diff)
KVM: Remove unused slot_bitmap from kvm_mmu_page
Not needed any more. Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/mmu.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index aeb7666eb81..9c1b2d6158b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1522,7 +1522,6 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
sp->gfns = mmu_memory_cache_alloc(&vcpu->arch.mmu_page_cache);
set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
list_add(&sp->link, &vcpu->kvm->arch.active_mmu_pages);
- bitmap_zero(sp->slot_bitmap, KVM_MEM_SLOTS_NUM);
sp->parent_ptes = 0;
mmu_page_add_parent_pte(vcpu, sp, parent_pte);
kvm_mod_used_mmu_pages(vcpu->kvm, +1);
@@ -2183,14 +2182,6 @@ int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
}
EXPORT_SYMBOL_GPL(kvm_mmu_unprotect_page);
-static void page_header_update_slot(struct kvm *kvm, void *pte, gfn_t gfn)
-{
- int slot = memslot_id(kvm, gfn);
- struct kvm_mmu_page *sp = page_header(__pa(pte));
-
- __set_bit(slot, sp->slot_bitmap);
-}
-
/*
* The function is based on mtrr_type_lookup() in
* arch/x86/kernel/cpu/mtrr/generic.c
@@ -2472,7 +2463,6 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
++vcpu->kvm->stat.lpages;
if (is_shadow_present_pte(*sptep)) {
- page_header_update_slot(vcpu->kvm, sptep, gfn);
if (!was_rmapped) {
rmap_count = rmap_add(vcpu, sptep, gfn);
if (rmap_count > RMAP_RECYCLE_THRESHOLD)