On Fri, Apr 23, 2010 at 01:58:22PM +0800, Gui Jianfeng wrote: > Currently, in kvm_mmu_change_mmu_pages(kvm, page), "used_pages--" is performed after calling > kvm_mmu_zap_page() in spite of that whether "page" is actually reclaimed. Because root sp won't > be reclaimed by kvm_mmu_zap_page(). So making kvm_mmu_zap_page() return total number of reclaimed > sp makes more sense. A new flag is put into kvm_mmu_zap_page() to indicate whether the top page is > reclaimed. > > Signed-off-by: Gui Jianfeng <guijianfeng@xxxxxxxxxxxxxx> > --- > arch/x86/kvm/mmu.c | 53 +++++++++++++++++++++++++++++++++++---------------- > 1 files changed, 36 insertions(+), 17 deletions(-) Gui, There will be only a few pinned roots, and there is no need for kvm_mmu_change_mmu_pages to be precise at that level (pages will be reclaimed through kvm_unmap_hva eventually). -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
