diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 6664908514b334..b6bfd36253694f 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -1,6 +1,7 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/mm_types.h>
+#include <linux/sched/task.h>
 
 #include <asm/branch.h>
 #include <asm/cacheflush.h>
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index b12f9c87b4c31c..6bfa3967533761 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -7,6 +7,7 @@
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 #include <linux/slab.h>
+#include <linux/sched/task.h>
 
 #include "blk.h"
 
diff --git a/block/ioprio.c b/block/ioprio.c
index 4b9ab8367ddaa5..0c47a00f92a852 100644
--- a/block/ioprio.c
+++ b/block/ioprio.c
@@ -27,6 +27,7 @@
 #include <linux/blkdev.h>
 #include <linux/capability.h>
 #include <linux/sched/user.h>
+#include <linux/sched/task.h>
 #include <linux/syscalls.h>
 #include <linux/security.h>
 #include <linux/pid_namespace.h>
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c
index 2c3ffbcbd621a5..f45115fce4eb7c 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/ion/ion.c
@@ -36,6 +36,7 @@
 #include <linux/debugfs.h>
 #include <linux/dma-buf.h>
 #include <linux/idr.h>
+#include <linux/sched/task.h>
 
 #include "ion.h"
 #include "ion_priv.h"
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec.c b/drivers/staging/lustre/lustre/ptlrpc/sec.c
index 49f34fd655c3cb..366f2ce20f5ebb 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/sec.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/sec.c
@@ -40,6 +40,7 @@
 #include <linux/crypto.h>
 #include <linux/cred.h>
 #include <linux/key.h>
+#include <linux/sched/task.h>
 
 #include "../include/obd.h"
 #include "../include/obd_class.h"
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 550e8b183abece..26a6daf02185ce 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -15,6 +15,7 @@
 #include <linux/atomic.h>
 #include <linux/binfmts.h>
 #include <linux/sched/coredump.h>
+#include <linux/sched/task.h>
 
 struct ctl_table_header;
 struct mempolicy;
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index ffd72a6c6e0446..5cbc65d7a1e138 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -17,6 +17,7 @@
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/sched.h>
+#include <linux/sched/task.h>
 #include <linux/module.h>
 #include <linux/bitops.h>
 #include <linux/mount.h>
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 3f1190d1899153..b5713fefb4c1b5 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -10,6 +10,8 @@
 #include <linux/nsproxy.h>
 #include <linux/security.h>
 #include <linux/fs_struct.h>
+#include <linux/sched/task.h>
+
 #include "proc/internal.h" /* only for get_proc_task() in ->open() */
 
 #include "pnode.h"
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index c608c39cb16141..611fce58d67039 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -10,6 +10,7 @@
 
 #include <linux/sched.h>
 #include <linux/sched/topology.h>
+#include <linux/sched/task.h>
 #include <linux/cpumask.h>
 #include <linux/nodemask.h>
 #include <linux/mm.h>
diff --git a/ipc/namespace.c b/ipc/namespace.c
index 1f1d713ac19c4e..b4d80f9f724673 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -14,6 +14,7 @@
 #include <linux/mount.h>
 #include <linux/user_namespace.h>
 #include <linux/proc_ns.h>
+#include <linux/sched/task.h>
 
 #include "util.h"
 
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c
index a5c46db2855c4d..0f41292be0fb7d 100644
--- a/kernel/cgroup/cpuset.c
+++ b/kernel/cgroup/cpuset.c
@@ -45,6 +45,7 @@
 #include <linux/rcupdate.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
+#include <linux/sched/task.h>
 #include <linux/seq_file.h>
 #include <linux/security.h>
 #include <linux/slab.h>
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index e865d8bfb881eb..38f019324f1aaf 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -12,6 +12,7 @@
 
 #include <linux/proc_fs.h>
 #include <linux/sched/mm.h>
+#include <linux/sched/task.h>
 #include <linux/seq_file.h>
 #include <linux/kallsyms.h>
 #include <linux/utsname.h>
diff --git a/kernel/utsname.c b/kernel/utsname.c
index 06585ad296ffc2..913fe4336d2b75 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -17,6 +17,7 @@
 #include <linux/cred.h>
 #include <linux/user_namespace.h>
 #include <linux/proc_ns.h>
+#include <linux/sched/task.h>
 
 static struct ucounts *inc_uts_namespaces(struct user_namespace *ns)
 {
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 18e0105810dfd8..75b2745bac4145 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -75,6 +75,7 @@
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
 #include <linux/sched/numa_balancing.h>
+#include <linux/sched/task.h>
 #include <linux/nodemask.h>
 #include <linux/cpuset.h>
 #include <linux/slab.h>
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index 8888b124a386c5..3e612ae748e966 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -6,6 +6,7 @@
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
+#include <linux/sched/task.h>
 #include <linux/mmu_context.h>
 #include <linux/export.h>
 
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 3c4bbec3971309..652468ff65b79d 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -16,6 +16,8 @@
 #include <linux/export.h>
 #include <linux/user_namespace.h>
 #include <linux/net_namespace.h>
+#include <linux/sched/task.h>
+
 #include <net/sock.h>
 #include <net/netlink.h>
 #include <net/net_namespace.h>
diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
index 11fce17274f6ce..6ae56037bb1336 100644
--- a/net/core/netclassid_cgroup.c
+++ b/net/core/netclassid_cgroup.c
@@ -12,6 +12,8 @@
 #include <linux/slab.h>
 #include <linux/cgroup.h>
 #include <linux/fdtable.h>
+#include <linux/sched/task.h>
+
 #include <net/cls_cgroup.h>
 #include <net/sock.h>
 
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 756637dc7a5769..0f9275ee559581 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -20,6 +20,8 @@
 #include <linux/cgroup.h>
 #include <linux/rcupdate.h>
 #include <linux/atomic.h>
+#include <linux/sched/task.h>
+
 #include <net/rtnetlink.h>
 #include <net/pkt_cls.h>
 #include <net/sock.h>