Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull sched.h split-up from Ingo Molnar:
 "The point of these changes is to significantly reduce the
  <linux/sched.h> header footprint, to speed up the kernel build and to
  have a cleaner header structure.

  After these changes the new <linux/sched.h>'s typical preprocessed
  size goes down from a previous ~0.68 MB (~22K lines) to ~0.45 MB (~15K
  lines), which is around 40% faster to build on typical configs.

  Not much changed from the last version (-v2) posted three weeks ago: I
  eliminated quirks, backmerged fixes plus I rebased it to an upstream
  SHA1 from yesterday that includes most changes queued up in -next plus
  all sched.h changes that were pending from Andrew.

  I've re-tested the series both on x86 and on cross-arch defconfigs,
  and did a bisectability test at a number of random points.

  I tried to test as many build configurations as possible, but some
  build breakage is probably still left - but it should be mostly
  limited to architectures that have no cross-compiler binaries
  available on kernel.org, and non-default configurations"

* 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (146 commits)
  sched/headers: Clean up <linux/sched.h>
  sched/headers: Remove #ifdefs from <linux/sched.h>
  sched/headers: Remove the <linux/topology.h> include from <linux/sched.h>
  sched/headers, hrtimer: Remove the <linux/wait.h> include from <linux/hrtimer.h>
  sched/headers, x86/apic: Remove the <linux/pm.h> header inclusion from <asm/apic.h>
  sched/headers, timers: Remove the <linux/sysctl.h> include from <linux/timer.h>
  sched/headers: Remove <linux/magic.h> from <linux/sched/task_stack.h>
  sched/headers: Remove <linux/sched.h> from <linux/sched/init.h>
  sched/core: Remove unused prefetch_stack()
  sched/headers: Remove <linux/rculist.h> from <linux/sched.h>
  sched/headers: Remove the 'init_pid_ns' prototype from <linux/sched.h>
  sched/headers: Remove <linux/signal.h> from <linux/sched.h>
  sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>
  sched/headers: Remove the runqueue_is_locked() prototype
  sched/headers: Remove <linux/sched.h> from <linux/sched/hotplug.h>
  sched/headers: Remove <linux/sched.h> from <linux/sched/debug.h>
  sched/headers: Remove <linux/sched.h> from <linux/sched/nohz.h>
  sched/headers: Remove <linux/sched.h> from <linux/sched/stat.h>
  sched/headers: Remove the <linux/gfp.h> include from <linux/sched.h>
  sched/headers: Remove <linux/rtmutex.h> from <linux/sched.h>
  ...

30 files changed, 48 insertions, 3 deletions

diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 5a8dfa22da7c..ef3fb1b9201f 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -12,6 +12,7 @@
 #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
 
 #include <linux/module.h>
+#include <linux/sched/stat.h>
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/errno.h>
diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index 08b9e942a262..45b3178200ab 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -17,6 +17,8 @@
 #include <linux/kernel_stat.h>
 #include <linux/netdevice.h>
 #include <linux/sched.h>
+#include <linux/sched/loadavg.h>
+#include <linux/sched/stat.h>
 #include <asm/appldata.h>
 #include <asm/smp.h>
 
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index 85b7f5efe06a..5a3ec04a7082 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -20,6 +20,8 @@
 #include <linux/cpufeature.h>
 #include <linux/random.h>
 #include <linux/slab.h>
+#include <linux/sched/signal.h>
+
 #include <asm/debug.h>
 #include <linux/uaccess.h>
 #include <asm/timex.h>
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 352f7bdaf11f..0ddd37e6c29d 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -5,6 +5,7 @@
  */
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <linux/sched/task_stack.h>
 #include <linux/thread_info.h>
 
 #define __TYPE_IS_PTR(t) (!__builtin_types_compatible_p(typeof(0?(t)0:0ULL), u64))
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 83aaefed2a7b..1d48880b3cc1 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -132,7 +132,7 @@ typedef s390_fp_regs compat_elf_fpregset_t;
 typedef s390_compat_regs compat_elf_gregset_t;
 
 #include <linux/compat.h>
-#include <linux/sched.h>	/* for task_struct */
+#include <linux/sched/mm.h>	/* for task_struct */
 #include <asm/mmu_context.h>
 
 #include <asm/vdso.h>
diff --git a/arch/s390/include/asm/kprobes.h b/arch/s390/include/asm/kprobes.h
index 84c0f9086483..1293c4066cfc 100644
--- a/arch/s390/include/asm/kprobes.h
+++ b/arch/s390/include/asm/kprobes.h
@@ -35,6 +35,7 @@
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
+#include <linux/sched/task_stack.h>
 
 #define __ARCH_WANT_KPROBES_INSN_SLOT
 
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 9b828c073176..6e31d87fb669 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -9,6 +9,7 @@
 
 #include <asm/pgalloc.h>
 #include <linux/uaccess.h>
+#include <linux/mm_types.h>
 #include <asm/tlbflush.h>
 #include <asm/ctl_reg.h>
 
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 362350cc485c..c620049c61f2 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -10,6 +10,7 @@
 
 #include <linux/compat.h>
 #include <linux/sched.h>
+#include <linux/sched/task_stack.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/kernel.h>
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index 55d4fe174fd9..829e1c53005c 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -14,6 +14,8 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
+#include <linux/sched/task_stack.h>
 #include <asm/processor.h>
 #include <asm/debug.h>
 #include <asm/dis.h>
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index fb07a70820af..9340b2a07935 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -12,7 +12,7 @@
 #include <linux/notifier.h>
 #include <linux/init.h>
 #include <linux/cpu.h>
-#include <linux/cputime.h>
+#include <linux/sched/cputime.h>
 #include <asm/nmi.h>
 #include <asm/smp.h>
 #include "entry.h"
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c
index 80c093e0c6f1..9bf8327154ee 100644
--- a/arch/s390/kernel/nmi.c
+++ b/arch/s390/kernel/nmi.c
@@ -13,6 +13,9 @@
 #include <linux/errno.h>
 #include <linux/hardirq.h>
 #include <linux/time.h>
+#include <linux/module.h>
+#include <linux/sched/signal.h>
+
 #include <linux/export.h>
 #include <asm/lowcore.h>
 #include <asm/smp.h>
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 54281660582c..20cd339e11ae 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -11,6 +11,9 @@
 #include <linux/compiler.h>
 #include <linux/cpu.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
+#include <linux/sched/task.h>
+#include <linux/sched/task_stack.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/elfcore.h>
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index bc2b60dcb178..928b929a6261 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -8,10 +8,13 @@
 
 #include <linux/cpufeature.h>
 #include <linux/kernel.h>
+#include <linux/sched/mm.h>
 #include <linux/init.h>
 #include <linux/seq_file.h>
+#include <linux/mm_types.h>
 #include <linux/delay.h>
 #include <linux/cpu.h>
+
 #include <asm/diag.h>
 #include <asm/facility.h>
 #include <asm/elf.h>
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 12020b55887b..c14df0a1ec3c 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -8,6 +8,7 @@
 
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/sched/task_stack.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/errno.h>
diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c
index fffa0e5462af..429d3a782f1c 100644
--- a/arch/s390/kernel/runtime_instr.c
+++ b/arch/s390/kernel/runtime_instr.c
@@ -11,6 +11,8 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/kernel_stat.h>
+#include <linux/sched/task_stack.h>
+
 #include <asm/runtime_instr.h>
 #include <asm/cpu_mf.h>
 #include <asm/irq.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index e4d811f17971..911dc0b49be0 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -18,6 +18,8 @@
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/sched.h>
+#include <linux/sched/task.h>
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/memblock.h>
 #include <linux/mm.h>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 62a4c263e887..289dd50f9744 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -10,6 +10,7 @@
  */
 
 #include <linux/sched.h>
+#include <linux/sched/task_stack.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/kernel.h>
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index d0a74d7ce433..47a973b5b4f1 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -31,6 +31,8 @@
 #include <linux/irqflags.h>
 #include <linux/cpu.h>
 #include <linux/slab.h>
+#include <linux/sched/hotplug.h>
+#include <linux/sched/task_stack.h>
 #include <linux/crash_dump.h>
 #include <linux/memblock.h>
 #include <asm/asm-offsets.h>
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 0085b2d8ed7d..e66687dc6144 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -6,6 +6,7 @@
  */
 
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
 #include <linux/stacktrace.h>
 #include <linux/kallsyms.h>
 #include <linux/export.h>
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index de66abb479c9..c31da46bc037 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -18,6 +18,7 @@
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/sched.h>
+#include <linux/sched/clock.h>
 #include <linux/kernel.h>
 #include <linux/param.h>
 #include <linux/string.h>
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 2cd5f4f1013c..17660e800e74 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -13,6 +13,7 @@
 #include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
+#include <linux/sched/topology.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/slab.h>
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 283ad7840335..f787b9d8f54c 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -17,6 +17,7 @@
 #include <linux/extable.h>
 #include <linux/ptrace.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c
index 66956c09d5bf..314e0ee3016a 100644
--- a/arch/s390/kernel/uprobes.c
+++ b/arch/s390/kernel/uprobes.c
@@ -9,6 +9,8 @@
 #include <linux/uprobes.h>
 #include <linux/compat.h>
 #include <linux/kdebug.h>
+#include <linux/sched/task_stack.h>
+
 #include <asm/switch_to.h>
 #include <asm/facility.h>
 #include <asm/kprobes.h>
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 31bd96e81167..c14fc9029912 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -6,7 +6,7 @@
  */
 
 #include <linux/kernel_stat.h>
-#include <linux/cputime.h>
+#include <linux/sched/cputime.h>
 #include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/timex.h>
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 4492c9363178..d55c829a5944 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -6,7 +6,9 @@
  */
 
 #include <linux/vmalloc.h>
+#include <linux/mm_types.h>
 #include <linux/err.h>
+
 #include <asm/pgtable.h>
 #include <asm/gmap.h>
 #include "kvm-s390.h"
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index f5694838234d..fd6cd05bb6a7 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -29,6 +29,8 @@
 #include <linux/timer.h>
 #include <linux/vmalloc.h>
 #include <linux/bitmap.h>
+#include <linux/sched/signal.h>
+
 #include <asm/asm-offsets.h>
 #include <asm/lowcore.h>
 #include <asm/stp.h>
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index fb4b494cde9b..64b6a309f2c4 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -15,6 +15,8 @@
 #include <linux/gfp.h>
 #include <linux/errno.h>
 #include <linux/compat.h>
+#include <linux/mm_types.h>
+
 #include <asm/asm-offsets.h>
 #include <asm/facility.h>
 #include <asm/current.h>
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 38556e395915..5491be39776b 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -14,6 +14,8 @@
 #include <linux/bug.h>
 #include <linux/list.h>
 #include <linux/bitmap.h>
+#include <linux/sched/signal.h>
+
 #include <asm/gmap.h>
 #include <asm/mmu_context.h>
 #include <asm/sclp.h>
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index bb5560eb2435..5845d3028ffc 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -12,6 +12,7 @@
 #include <linux/perf_event.h>
 #include <linux/signal.h>
 #include <linux/sched.h>
+#include <linux/sched/debug.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/string.h>
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 7ae1282d5be9..50618614881f 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -26,6 +26,8 @@
 #include <linux/personality.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
+#include <linux/sched/signal.h>
+#include <linux/sched/mm.h>
 #include <linux/random.h>
 #include <linux/compat.h>
 #include <linux/security.h>