diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index 7c05bb3935978c6886c6e2eecd851a70fc12913f..832bb2bb29bd383b8a00846f6eb79036a8cc399e 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -15,7 +15,9 @@
 #include <linux/stddef.h>
 #include <linux/ptrace.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 #include <linux/mm.h>
+
 #include <asm/page.h>
 #include <asm/processor.h>
 
diff --git a/arch/metag/kernel/stacktrace.c b/arch/metag/kernel/stacktrace.c
index 4f806d66a58c6bd041ab2e5306ef903e455265c1..91ffc4b75c332b50f41ced4e84d1814e91cd1f1c 100644
--- a/arch/metag/kernel/stacktrace.c
+++ b/arch/metag/kernel/stacktrace.c
@@ -1,6 +1,7 @@
 #include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 #include <linux/stacktrace.h>
 
 #include <asm/stacktrace.h>
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 2354ab88d9484e29e0505eeab69e7ed2392048d2..803e9e756f7785a9250c95ccd93f4cacc18f70d2 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 #include <linux/kernel.h>
 #include <linux/extable.h>
 #include <linux/kmod.h>
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 34ae555c3e700a8022df1910b6a1cbf7fdab84d0..a76295f7ede9cd58beba128a21b05e685a3b0c02 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -12,6 +12,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 
 #include <asm/sysrq.h>
 #include <asm/stacktrace.h>
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index d8bb2e62393e54cc3162b48856b6c5303cb08a64..c82c43bff2968cd3bab83688bc8a362671792150 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -26,6 +26,7 @@
 #include <linux/kernel.h>
 #include <linux/sched/signal.h>
 #include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/stringify.h>
diff --git a/mm/slab.c b/mm/slab.c
index bd63450a9b167f0e888fa1c41bd549d14c540742..807d86c769088681b47f41c0cc0a721307bd16c1 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -116,6 +116,7 @@
 #include	<linux/kmemcheck.h>
 #include	<linux/memory.h>
 #include	<linux/prefetch.h>
+#include	<linux/sched/task_stack.h>
 
 #include	<net/sock.h>