From 48987781eb1d1e8ded41f55cd5806615fda92c6e Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Sun, 22 Aug 2010 19:11:43 +0800 Subject: KVM: MMU: introduce gfn_to_page_many_atomic() function Introduce this function to get consecutive gfn's pages, it can reduce gup's overload, used by later patch Signed-off-by: Xiao Guangrong Signed-off-by: Marcelo Tosatti --- include/linux/kvm_host.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 307d0e2c0f59..b837ec80885d 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -289,6 +289,9 @@ void kvm_arch_commit_memory_region(struct kvm *kvm, void kvm_disable_largepages(void); void kvm_arch_flush_shadow(struct kvm *kvm); +int gfn_to_page_many_atomic(struct kvm *kvm, gfn_t gfn, struct page **pages, + int nr_pages); + struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn); void kvm_release_page_clean(struct page *page); -- cgit v1.2.3