Messages in this thread Patch in this message |  | | | From | Avi Kivity <> | | Subject | [PATCH 29/39] KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED | | Date | Thu, 25 Sep 2008 14:55:01 +0300 |
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From: Avi Kivity <avi@qumranet.com>
There is no reason to share internal memory slots with fork()ed instances.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- arch/x86/kvm/x86.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bfc7c33..675d010 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4296,7 +4296,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, userspace_addr = do_mmap(NULL, 0, npages * PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, + MAP_PRIVATE | MAP_ANONYMOUS, 0); up_write(¤t->mm->mmap_sem); -- 1.6.0.1
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