@@ -642,6 +642,7 @@ struct xen_mem_acquire_resource {
* IN/OUT
*
* As an IN parameter number of frames of the resource to be mapped.
+ * This value may be updated during the course of the operation.
*
* When frame_list is NULL and nr_frames is 0, this is interpreted as a
* request for the size of the resource, which shall be returned in the
@@ -656,7 +657,8 @@ struct xen_mem_acquire_resource {
uint32_t pad;
/*
* IN - the index of the initial frame to be mapped. This parameter
- * is ignored if nr_frames is 0.
+ * is ignored if nr_frames is 0. This value may be updated
+ * during the course of the operation.
*/
uint64_t frame;
@@ -672,7 +674,8 @@ struct xen_mem_acquire_resource {
* If -EIO is returned then the frame_list has only been
* partially mapped and it is up to the caller to unmap all
* the GFNs.
- * This parameter may be NULL if nr_frames is 0.
+ * This parameter may be NULL if nr_frames is 0. This
+ * value may be updated during the course of the operation.
*/
XEN_GUEST_HANDLE(xen_pfn_t) frame_list;
};