xnu-517.3.7.tar.gz

[apple/xnu.git] / osfmk / vm / vm_object.h

diff --git a/osfmk/vm/vm_object.h b/osfmk/vm/vm_object.h
index dbfc2a85ec3a91b82acbe68be64bb57b0e8b16a8..54fc6f9a9d3aa4b42fe5973a2f92ef8e9e99a2aa 100644 (file)
--- a/osfmk/vm/vm_object.h
+++ b/osfmk/vm/vm_object.h
@@ -265,12 +265,13 @@ struct vm_object {
                                                   request queue */
 
        vm_object_offset_t      last_alloc;     /* last allocation offset */
+       vm_object_offset_t      sequential;     /* sequential access size */
        vm_size_t               cluster_size;   /* size of paging cluster */
 #if    MACH_PAGEMAP
        vm_external_map_t       existence_map;  /* bitmap of pages written to
                                                 * backing storage */
 #endif /* MACH_PAGEMAP */
-       int                     cow_hint;       /* last page present in     */
+       vm_offset_t             cow_hint;       /* last page present in     */
                                                /* shadow but not in object */
 #if    MACH_ASSERT
        struct vm_object        *paging_object; /* object which pages to be
@@ -424,7 +425,8 @@ __private_extern__ boolean_t        vm_object_shadow(
                                        vm_object_size_t        length);
 
 __private_extern__ void                vm_object_collapse(
-                                       vm_object_t     object);
+                                       vm_object_t             object,
+                                       vm_object_offset_t      offset);
 
 __private_extern__ boolean_t   vm_object_copy_quickly(
                                vm_object_t             *_object,