From patchwork Wed Aug 1 09:01:10 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [1/3] KVM: Stop checking rmap to see if slot is being created From: Takuya Yoshikawa X-Patchwork-Id: 174404 Message-Id: <20120801180110.06f13bce.yoshikawa.takuya@oss.ntt.co.jp> To: avi@redhat.com, mtosatti@redhat.com Cc: agraf@suse.de, paulus@samba.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org Date: Wed, 1 Aug 2012 18:01:10 +0900 Instead, check npages consistently. This helps to make rmap architecture specific in a later patch. Signed-off-by: Takuya Yoshikawa --- arch/x86/kvm/x86.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index b6379e5..701dbd4 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6381,7 +6381,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, *x86 needs to handle !user_alloc case. */ if (!user_alloc) { - if (npages && !old.rmap) { + if (npages && !old.npages) { unsigned long userspace_addr; userspace_addr = vm_mmap(NULL, 0, @@ -6409,7 +6409,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, int nr_mmu_pages = 0, npages = mem->memory_size >> PAGE_SHIFT; - if (!user_alloc && !old.user_alloc && old.rmap && !npages) { + if (!user_alloc && !old.user_alloc && old.npages && !npages) { int ret; ret = vm_munmap(old.userspace_addr,