KVM: MMU: do not iterate over all VMs in mmu_shrink()
authorGleb Natapov <gleb@redhat.com>
Mon, 4 Jun 2012 11:53:23 +0000 (14:53 +0300)
committerAvi Kivity <avi@redhat.com>
Tue, 5 Jun 2012 14:46:43 +0000 (17:46 +0300)
commit1952639665e92481c34c34c3e2a71bf3e66ba362
tree0f6a1904bffb0d59e9b74a46fb175207106436de
parenta6bb7929677aacfce3f864c3cdacaa7d527945d5
KVM: MMU: do not iterate over all VMs in mmu_shrink()

mmu_shrink() needlessly iterates over all VMs even though it will not
attempt to free mmu pages from more than one on them. Fix that and also
check used mmu pages count outside of VM lock to skip inactive VMs faster.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/mmu.c