823 	struct userfaultfd_unmap_ctx *unmap_ctx;  in has_unmap_ctx()  local
825 	list_for_each_entry(unmap_ctx, unmaps, list)  in has_unmap_ctx()
826 		if (unmap_ctx->ctx == ctx && unmap_ctx->start == start &&  in has_unmap_ctx()
827 		    unmap_ctx->end == end)  in has_unmap_ctx()
836 	struct userfaultfd_unmap_ctx *unmap_ctx;  in userfaultfd_unmap_prep()  local
843 	unmap_ctx = kzalloc_obj(*unmap_ctx);  in userfaultfd_unmap_prep()
844 	if (!unmap_ctx)  in userfaultfd_unmap_prep()
851 	unmap_ctx->ctx = ctx;  in userfaultfd_unmap_prep()
852 	unmap_ctx->start = start;  in userfaultfd_unmap_prep()
853 	unmap_ctx->end = end;  in userfaultfd_unmap_prep()
854 	list_add_tail(&unmap_ctx->list, unmaps);  in userfaultfd_unmap_prep()