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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-08-22 19:11:43 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:26 +0200 |
| commit | 48987781eb1d1e8ded41f55cd5806615fda92c6e (patch) | |
| tree | fa6db806ffec34588fbcaa434c33afac51f661e6 /include | |
| parent | 887c08ac191efb103e33e589aacbc2ce1a3f131e (diff) | |
| download | blackbird-op-linux-48987781eb1d1e8ded41f55cd5806615fda92c6e.tar.gz blackbird-op-linux-48987781eb1d1e8ded41f55cd5806615fda92c6e.zip | |
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 <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/kvm_host.h | 3 |
1 files changed, 3 insertions, 0 deletions
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); |
