diff --git a/arch/arm/include/asm/syscall.h b/arch/arm/include/asm/syscall.h
index ff6cc365eaf7..0d8afceeefd9 100644
--- a/arch/arm/include/asm/syscall.h
+++ b/arch/arm/include/asm/syscall.h
@@ -28,6 +28,17 @@ static inline int syscall_get_nr(struct task_struct *task,
 	return task_thread_info(task)->syscall;
 }
 
+static inline bool __in_oabi_syscall(struct task_struct *task)
+{
+	return IS_ENABLED(CONFIG_OABI_COMPAT) &&
+		(task_thread_info(task)->syscall & __NR_OABI_SYSCALL_BASE);
+}
+
+static inline bool in_oabi_syscall(void)
+{
+	return __in_oabi_syscall(current);
+}
+
 static inline void syscall_rollback(struct task_struct *task,
 				    struct pt_regs *regs)
 {
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 2ce3e8c6ca91..abf1153c5315 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -83,6 +83,8 @@
 #include <linux/uaccess.h>
 #include <linux/slab.h>
 
+#include <asm/syscall.h>
+
 struct oldabi_stat64 {
 	unsigned long long st_dev;
 	unsigned int	__pad1;
@@ -264,68 +266,24 @@ asmlinkage long sys_oabi_epoll_ctl(int epfd, int op, int fd,
 	return do_epoll_ctl(epfd, op, fd, &kernel, false);
 }
 
-static long do_oabi_epoll_wait(int epfd, struct oabi_epoll_event __user *events,
-			       int maxevents, int timeout)
+struct epoll_event __user *
+epoll_put_uevent(__poll_t revents, __u64 data, struct epoll_event __user *uevent)
 {
-	struct epoll_event *kbuf;
-	struct oabi_epoll_event e;
-	mm_segment_t fs;
-	long ret, err, i;
+	if (in_oabi_syscall()) {
+		struct oabi_epoll_event *oevent = (void __user *)uevent;
 
-	if (maxevents <= 0 ||
-			maxevents > (INT_MAX/sizeof(*kbuf)) ||
-			maxevents > (INT_MAX/sizeof(*events)))
-		return -EINVAL;
-	if (!access_ok(events, sizeof(*events) * maxevents))
-		return -EFAULT;
-	kbuf = kmalloc_array(maxevents, sizeof(*kbuf), GFP_KERNEL);
-	if (!kbuf)
-		return -ENOMEM;
-	fs = get_fs();
-	set_fs(KERNEL_DS);
-	ret = sys_epoll_wait(epfd, kbuf, maxevents, timeout);
-	set_fs(fs);
-	err = 0;
-	for (i = 0; i < ret; i++) {
-		e.events = kbuf[i].events;
-		e.data = kbuf[i].data;
-		err = __copy_to_user(events, &e, sizeof(e));
-		if (err)
-			break;
-		events++;
-	}
-	kfree(kbuf);
-	return err ? -EFAULT : ret;
-}
+		if (__put_user(revents, &oevent->events) ||
+		    __put_user(data, &oevent->data))
+			return NULL;
 
-SYSCALL_DEFINE4(oabi_epoll_wait, int, epfd, struct oabi_epoll_event __user *, events,
-		int, maxevents, int, timeout)
-{
-	return do_oabi_epoll_wait(epfd, events, maxevents, timeout);
-}
-
-/*
- * Implement the event wait interface for the eventpoll file. It is the kernel
- * part of the user space epoll_pwait(2).
- */
-SYSCALL_DEFINE6(oabi_epoll_pwait, int, epfd, struct oabi_epoll_event __user *, events,
-		int, maxevents, int, timeout, const sigset_t __user *, sigmask,
-		size_t, sigsetsize)
-{
-	int error;
-
-	/*
-	 * If the caller wants a certain signal mask to be set during the wait,
-	 * we apply it here.
-	 */
-	error = set_user_sigmask(sigmask, sigsetsize);
-	if (error)
-		return error;
+		return (void __user *)uevent+1;
+	}
 
-	error = do_oabi_epoll_wait(epfd, events, maxevents, timeout);
-	restore_saved_sigmask_unless(error == -EINTR);
+	if (__put_user(revents, &uevent->events) ||
+	    __put_user(data, &uevent->data))
+		return NULL;
 
-	return error;
+	return uevent+1;
 }
 
 struct oabi_sembuf {
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index 39a24bee7df8..fe5cd48fed91 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -266,7 +266,7 @@
 249	common	lookup_dcookie		sys_lookup_dcookie
 250	common	epoll_create		sys_epoll_create
 251	common	epoll_ctl		sys_epoll_ctl		sys_oabi_epoll_ctl
-252	common	epoll_wait		sys_epoll_wait		sys_oabi_epoll_wait
+252	common	epoll_wait		sys_epoll_wait
 253	common	remap_file_pages	sys_remap_file_pages
 # 254 for set_thread_area
 # 255 for get_thread_area
@@ -360,7 +360,7 @@
 343	common	vmsplice		sys_vmsplice
 344	common	move_pages		sys_move_pages
 345	common	getcpu			sys_getcpu
-346	common	epoll_pwait		sys_epoll_pwait		sys_oabi_epoll_pwait
+346	common	epoll_pwait		sys_epoll_pwait
 347	common	kexec_load		sys_kexec_load
 348	common	utimensat		sys_utimensat_time32
 349	common	signalfd		sys_signalfd
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 12eebcdea9c8..796d9e72dc96 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1745,8 +1745,8 @@ static __poll_t ep_send_events_proc(struct eventpoll *ep, struct list_head *head
 		if (!revents)
 			continue;
 
-		if (__put_user(revents, &uevent->events) ||
-		    __put_user(epi->event.data, &uevent->data)) {
+		uevent = epoll_put_uevent(revents, epi->event.data, uevent);
+		if (!uevent) {
 			list_add(&epi->rdllink, head);
 			ep_pm_stay_awake(epi);
 			if (!esed->res)
@@ -1754,7 +1754,6 @@ static __poll_t ep_send_events_proc(struct eventpoll *ep, struct list_head *head
 			return 0;
 		}
 		esed->res++;
-		uevent++;
 		if (epi->event.events & EPOLLONESHOT)
 			epi->event.events &= EP_PRIVATE_BITS;
 		else if (!(epi->event.events & EPOLLET)) {
diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h
index 8f000fada5a4..60df60ee78c6 100644
--- a/include/linux/eventpoll.h
+++ b/include/linux/eventpoll.h
@@ -77,4 +77,20 @@ static inline void eventpoll_release(struct file *file) {}
 
 #endif
 
+#if !defined(CONFIG_ARM) || !defined(CONFIG_OABI_COMPAT)
+/* ARM OABI has an incompatible struct layout and needs a special handler */
+static inline struct epoll_event __user *
+epoll_put_uevent(__poll_t revents, __u64 data, struct epoll_event __user *uevent)
+{
+	if (__put_user(revents, &uevent->events) ||
+	    __put_user(data, &uevent->data))
+		return NULL;
+
+	return uevent+1;
+}
+#else
+struct epoll_event __user *
+epoll_put_uevent(__poll_t revents, __u64 data, struct epoll_event __user *uevent);
+#endif
+
 #endif /* #ifndef _LINUX_EVENTPOLL_H */
