summaryrefslogtreecommitdiff
path: root/arch/x86/kvm/mmu/mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kvm/mmu/mmu.c')
-rw-r--r--arch/x86/kvm/mmu/mmu.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 340eacf3327b..a4cbf5e14991 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -6375,7 +6375,10 @@ static void kvm_recover_nx_lpages(struct kvm *kvm)
ratio = READ_ONCE(nx_huge_pages_recovery_ratio);
to_zap = ratio ? DIV_ROUND_UP(kvm->stat.nx_lpage_splits, ratio) : 0;
- while (to_zap && !list_empty(&kvm->arch.lpage_disallowed_mmu_pages)) {
+ for ( ; to_zap; --to_zap) {
+ if (list_empty(&kvm->arch.lpage_disallowed_mmu_pages))
+ break;
+
/*
* We use a separate list instead of just using active_mmu_pages
* because the number of lpage_disallowed pages is expected to
@@ -6388,10 +6391,9 @@ static void kvm_recover_nx_lpages(struct kvm *kvm)
kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list);
WARN_ON_ONCE(sp->lpage_disallowed);
- if (!--to_zap || need_resched() || spin_needbreak(&kvm->mmu_lock)) {
+ if (need_resched() || spin_needbreak(&kvm->mmu_lock)) {
kvm_mmu_commit_zap_page(kvm, &invalid_list);
- if (to_zap)
- cond_resched_lock(&kvm->mmu_lock);
+ cond_resched_lock(&kvm->mmu_lock);
}
}
kvm_mmu_commit_zap_page(kvm, &invalid_list);