95 	struct uffd_msg msg;  member
119 	if (len && (start > uwq->msg.arg.pagefault.address ||  in userfaultfd_wake_function()
120 		    start + len <= uwq->msg.arg.pagefault.address))  in userfaultfd_wake_function()
180 static inline void msg_init(struct uffd_msg *msg)  in msg_init()  argument
187 	memset(msg, 0, sizeof(struct uffd_msg));  in msg_init()
195 	struct uffd_msg msg;  in userfault_msg()  local
196 	msg_init(&msg);  in userfault_msg()
197 	msg.event = UFFD_EVENT_PAGEFAULT;  in userfault_msg()
198 	msg.arg.pagefault.address = address;  in userfault_msg()
207 		msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WRITE;  in userfault_msg()
216 		msg.arg.pagefault.flags |= UFFD_PAGEFAULT_FLAG_WP;  in userfault_msg()
218 		msg.arg.pagefault.feat.ptid = task_pid_vnr(current);  in userfault_msg()
219 	return msg;  in userfault_msg()
460 	uwq.msg = userfault_msg(vmf->address, vmf->flags, reason,  in handle_userfault()
604 		if (ewq->msg.event == 0)  in userfaultfd_event_wait_completion()
615 			if (ewq->msg.event == UFFD_EVENT_FORK) {  in userfaultfd_event_wait_completion()
620 					ewq->msg.arg.reserved.reserved1;  in userfaultfd_event_wait_completion()
666 	ewq->msg.event = 0;  in userfaultfd_event_complete()
725 	msg_init(&ewq.msg);  in dup_fctx()
727 	ewq.msg.event = UFFD_EVENT_FORK;  in dup_fctx()
728 	ewq.msg.arg.reserved.reserved1 = (unsigned long)fctx->new;  in dup_fctx()
780 	msg_init(&ewq.msg);  in mremap_userfaultfd_complete()
782 	ewq.msg.event = UFFD_EVENT_REMAP;  in mremap_userfaultfd_complete()
783 	ewq.msg.arg.remap.from = from;  in mremap_userfaultfd_complete()
784 	ewq.msg.arg.remap.to = to;  in mremap_userfaultfd_complete()
785 	ewq.msg.arg.remap.len = len;  in mremap_userfaultfd_complete()
805 	msg_init(&ewq.msg);  in userfaultfd_remove()
807 	ewq.msg.event = UFFD_EVENT_REMOVE;  in userfaultfd_remove()
808 	ewq.msg.arg.remove.start = start;  in userfaultfd_remove()
809 	ewq.msg.arg.remove.end = end;  in userfaultfd_remove()
862 		msg_init(&ewq.msg);  in userfaultfd_unmap_complete()
864 		ewq.msg.event = UFFD_EVENT_UNMAP;  in userfaultfd_unmap_complete()
865 		ewq.msg.arg.remove.start = ctx->start;  in userfaultfd_unmap_complete()
866 		ewq.msg.arg.remove.end = ctx->end;  in userfaultfd_unmap_complete()
1022 				  struct uffd_msg *msg)  in resolve_userfault_fork()  argument
1031 	msg->arg.reserved.reserved1 = 0;  in resolve_userfault_fork()
1032 	msg->arg.fork.ufd = fd;  in resolve_userfault_fork()
1037 				    struct uffd_msg *msg)  in userfaultfd_ctx_read()  argument
1096 			*msg = uwq->msg;  in userfaultfd_ctx_read()
1106 			*msg = uwq->msg;  in userfaultfd_ctx_read()
1108 			if (uwq->msg.event == UFFD_EVENT_FORK) {  in userfaultfd_ctx_read()
1111 					uwq->msg.arg.reserved.reserved1;  in userfaultfd_ctx_read()
1147 	if (!ret && msg->event == UFFD_EVENT_FORK) {  in userfaultfd_ctx_read()
1148 		ret = resolve_userfault_fork(ctx, fork_nctx, msg);  in userfaultfd_ctx_read()
1206 	struct uffd_msg msg;  in userfaultfd_read()  local
1213 		if (count < sizeof(msg))  in userfaultfd_read()
1215 		_ret = userfaultfd_ctx_read(ctx, no_wait, &msg);  in userfaultfd_read()
1218 		if (copy_to_user((__u64 __user *) buf, &msg, sizeof(msg)))  in userfaultfd_read()
1220 		ret += sizeof(msg);  in userfaultfd_read()
1221 		buf += sizeof(msg);  in userfaultfd_read()
1222 		count -= sizeof(msg);  in userfaultfd_read()