diff options
author | James Morris <jmorris@namei.org> | 2010-05-06 10:56:07 +1000 |
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committer | James Morris <jmorris@namei.org> | 2010-05-06 10:56:07 +1000 |
commit | 0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch) | |
tree | 81b1a2305d16c873371b65c5a863c0268036cefe /arch/x86/kvm/mmu.c | |
parent | 4e5d6f7ec3833c0da9cf34fa5c53c6058c5908b6 (diff) | |
parent | 7ebd467551ed6ae200d7835a84bbda0dcadaa511 (diff) |
Merge branch 'master' into next
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r-- | arch/x86/kvm/mmu.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 741373e8ca77..19a8906bcaa2 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -31,6 +31,7 @@ #include <linux/hugetlb.h> #include <linux/compiler.h> #include <linux/srcu.h> +#include <linux/slab.h> #include <asm/page.h> #include <asm/cmpxchg.h> @@ -1489,8 +1490,8 @@ static int mmu_zap_unsync_children(struct kvm *kvm, for_each_sp(pages, sp, parents, i) { kvm_mmu_zap_page(kvm, sp); mmu_pages_clear_parents(&parents); + zapped++; } - zapped += pages.nr; kvm_mmu_pages_init(parent, &parents, &pages); } @@ -1541,14 +1542,16 @@ void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages) */ if (used_pages > kvm_nr_mmu_pages) { - while (used_pages > kvm_nr_mmu_pages) { + while (used_pages > kvm_nr_mmu_pages && + !list_empty(&kvm->arch.active_mmu_pages)) { struct kvm_mmu_page *page; page = container_of(kvm->arch.active_mmu_pages.prev, struct kvm_mmu_page, link); - kvm_mmu_zap_page(kvm, page); + used_pages -= kvm_mmu_zap_page(kvm, page); used_pages--; } + kvm_nr_mmu_pages = used_pages; kvm->arch.n_free_mmu_pages = 0; } else @@ -1595,7 +1598,8 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn) && !sp->role.invalid) { pgprintk("%s: zap %lx %x\n", __func__, gfn, sp->role.word); - kvm_mmu_zap_page(kvm, sp); + if (kvm_mmu_zap_page(kvm, sp)) + nn = bucket->first; } } } |