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author | Avi Kivity <avi@qumranet.com> | 2008-08-26 17:22:47 +0300 |
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committer | Avi Kivity <avi@qumranet.com> | 2008-10-15 10:15:23 +0200 |
commit | acee3c04e8208c17aad1baff99baa68d71640a19 (patch) | |
tree | 2dd9ef2697686319ae0b92f1ffe674530493709b | |
parent | abb9e0b8e33e58ac8e04e03b680c46435bc312fd (diff) | |
download | linux-acee3c04e8208c17aad1baff99baa68d71640a19.tar.gz linux-acee3c04e8208c17aad1baff99baa68d71640a19.tar.bz2 linux-acee3c04e8208c17aad1baff99baa68d71640a19.zip |
KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED
There is no reason to share internal memory slots with fork()ed instances.
Signed-off-by: Avi Kivity <avi@qumranet.com>
-rw-r--r-- | 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 bfc7c332c5d7..675d010995a2 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); |