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authorTakuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>2011-11-14 18:23:34 +0900
committerAvi Kivity <avi@redhat.com>2011-12-27 11:17:19 +0200
commit7850ac5420803996e2960d15b924021f28e0dffc (patch)
treedc4ed43a8e5ffcfbf45b48c8d78228ffe9762efa /include/linux/kvm_host.h
parentKVM: MMU: Split gfn_to_rmap() into two functions (diff)
downloadlinux-dev-7850ac5420803996e2960d15b924021f28e0dffc.tar.xz
linux-dev-7850ac5420803996e2960d15b924021f28e0dffc.zip
KVM: Count the number of dirty pages for dirty logging
Needed for the next patch which uses this number to decide how to write protect a slot. Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c6a2ec925846..7c654aa46b6c 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -181,6 +181,7 @@ struct kvm_memory_slot {
unsigned long *rmap;
unsigned long *dirty_bitmap;
unsigned long *dirty_bitmap_head;
+ unsigned long nr_dirty_pages;
struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
unsigned long userspace_addr;
int user_alloc;