diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 6c1989c7bb811c50163be5d693ce4a1cb12a0a00..df4a42f117e2cb1e28b3215af028082e76916349 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -20,6 +20,7 @@
 #include <linux/clocksource_ids.h>
 #include <asm/div64.h>
 #include <asm/io.h>
+#include <linux/kabi.h>
 
 struct clocksource;
 struct module;
@@ -131,6 +132,11 @@ struct clocksource {
 	u64			wd_last;
 #endif
 	struct module		*owner;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
 };
 
 /*
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index f2044d5a652b5c6eed1652f2a7f1c23050d854a6..4ea2b1a56a4e9529320136cbaff875dc5f53a064 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -20,6 +20,7 @@
 #include <linux/seqlock.h>
 #include <linux/timer.h>
 #include <linux/timerqueue.h>
+#include <linux/kabi.h>
 
 struct hrtimer_clock_base;
 struct hrtimer_cpu_base;
@@ -124,6 +125,9 @@ struct hrtimer {
 	u8				is_rel;
 	u8				is_soft;
 	u8				is_hard;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 /**
@@ -165,6 +169,9 @@ struct hrtimer_clock_base {
 	struct timerqueue_head	active;
 	ktime_t			(*get_time)(void);
 	ktime_t			offset;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 } __hrtimer_clock_base_align;
 
 enum  hrtimer_base_type {
@@ -235,6 +242,9 @@ struct hrtimer_cpu_base {
 	ktime_t				softirq_expires_next;
 	struct hrtimer			*softirq_next_timer;
 	struct hrtimer_clock_base	clock_base[HRTIMER_MAX_CLOCK_BASES];
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 } ____cacheline_aligned;
 
 static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time)
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index c30affcc43b444cc17cb894b83b17b52e41f8ebc..505dee42aaae2fd7ed4c8b0e081e1d703eb69b74 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -15,6 +15,7 @@
 #ifndef _KOBJECT_H_
 #define _KOBJECT_H_
 
+#include <linux/kabi.h>
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/sysfs.h>
@@ -79,6 +80,9 @@ struct kobject {
 #ifdef CONFIG_DEBUG_KOBJECT_RELEASE
 	struct delayed_work	release;
 #endif
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 __printf(2, 3) int kobject_set_name(struct kobject *kobj, const char *name, ...);
@@ -120,6 +124,9 @@ struct kobj_type {
 	const struct kobj_ns_type_operations *(*child_ns_type)(const struct kobject *kobj);
 	const void *(*namespace)(const struct kobject *kobj);
 	void (*get_ownership)(const struct kobject *kobj, kuid_t *uid, kgid_t *gid);
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 struct kobj_uevent_env {
@@ -170,6 +177,9 @@ struct kset {
 	spinlock_t list_lock;
 	struct kobject kobj;
 	const struct kset_uevent_ops *uevent_ops;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 } __randomize_layout;
 
 void kset_init(struct kset *kset);
diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h
index 468328b1e1dd583fedfdd67e4f85bfd94d43c31d..63f857d5843588c4fba43730c149a6201ce2019f 100644
--- a/include/linux/posix-clock.h
+++ b/include/linux/posix-clock.h
@@ -12,6 +12,7 @@
 #include <linux/poll.h>
 #include <linux/posix-timers.h>
 #include <linux/rwsem.h>
+#include <linux/kabi.h>
 
 struct posix_clock;
 
@@ -62,6 +63,11 @@ struct posix_clock_operations {
 
 	ssize_t (*read)    (struct posix_clock *pc,
 			    uint flags, char __user *buf, size_t cnt);
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
 };
 
 /**
@@ -88,6 +94,11 @@ struct posix_clock {
 	struct device *dev;
 	struct rw_semaphore rwsem;
 	bool zombie;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
 };
 
 /**
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 1ef4e0f9bd2a5d61352987b4af7240c663a25cf9..3c58193f4b0fb1ccfc6e65bfa31d05b0553243bc 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -13,6 +13,7 @@
 #include <linux/ptp_clock.h>
 #include <linux/timecounter.h>
 #include <linux/skbuff.h>
+#include <linux/kabi.h>
 
 #define PTP_CLOCK_NAME_LEN	32
 /**
@@ -193,6 +194,11 @@ struct ptp_clock_info {
 	int (*verify)(struct ptp_clock_info *ptp, unsigned int pin,
 		      enum ptp_pin_function func, unsigned int chan);
 	long (*do_aux_work)(struct ptp_clock_info *ptp);
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+	KABI_RESERVE(3)
+	KABI_RESERVE(4)
 };
 
 struct ptp_clock;
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 9162f275819a780def8efeb98cc4b553e1c44d28..d7248545b2f6d29f279fb46136d18fa9d30b5183 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -7,6 +7,7 @@
 #include <linux/stddef.h>
 #include <linux/debugobjects.h>
 #include <linux/stringify.h>
+#include <linux/kabi.h>
 
 struct timer_list {
 	/*
@@ -21,6 +22,9 @@ struct timer_list {
 #ifdef CONFIG_LOCKDEP
 	struct lockdep_map	lockdep_map;
 #endif
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 #ifdef CONFIG_LOCKDEP