]> git.baikalelectronics.ru Git - kernel.git/commit
KVM: MMU: don't get free page number in the loop
authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Fri, 4 Jun 2010 13:54:38 +0000 (21:54 +0800)
committerAvi Kivity <avi@redhat.com>
Sun, 1 Aug 2010 07:39:27 +0000 (10:39 +0300)
commit7334d487cae837aef95606730c6908552f503c61
tree36ec9c5bad8446d57a974c80d5147e1db3e18d65
parent84f7538e867836cc0a0c7ffaa3eca177d7b027e2
KVM: MMU: don't get free page number in the loop

In the later patch, we will modify sp's zapping way like below:

kvm_mmu_prepare_zap_page A
kvm_mmu_prepare_zap_page B
kvm_mmu_prepare_zap_page C
....
kvm_mmu_commit_zap_page

[ zaped multiple sps only need to call kvm_mmu_commit_zap_page once ]

In __kvm_mmu_free_some_pages() function, the free page number is
getted form 'vcpu->kvm->arch.n_free_mmu_pages' in loop, it will
hinders us to apply kvm_mmu_prepare_zap_page() and kvm_mmu_commit_zap_page()
since kvm_mmu_prepare_zap_page() not free sp.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/mmu.c