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[PATCH 18/53] sched/headers: Move more mm_struct related functionality from <linux/sched.h> to <linux/sched/mm.h>

From Ingo Molnar <mingo@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 18/53] sched/headers: Move more mm_struct related functionality from <linux/sched.h> to <linux/sched/mm.h>
Date 2017-02-08 20:00 +0100
Message-ID <t8FDd-3VT-53@gated-at.bofh.it> (permalink)
References <t8Ftw-3Sf-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Neither the mmap_layout nor the mm_update_next_owner() methods need to be
in <linux/sched.h> - move them to the more appropriate <linux/sched/mm.h> header.

Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 include/linux/sched.h    | 21 ---------------------
 include/linux/sched/mm.h | 21 +++++++++++++++++++++
 2 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f310c8e9c968..8f2ae1e11e73 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -313,19 +313,6 @@ void __noreturn do_task_dead(void);
 
 struct nsproxy;
 
-#ifdef CONFIG_MMU
-extern void arch_pick_mmap_layout(struct mm_struct *mm);
-extern unsigned long
-arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
-		       unsigned long, unsigned long);
-extern unsigned long
-arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
-			  unsigned long len, unsigned long pgoff,
-			  unsigned long flags);
-#else
-static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
-#endif
-
 /**
  * struct prev_cputime - snaphsot of system and user cputime
  * @utime: time spent in user mode
@@ -2276,12 +2263,4 @@ static inline void inc_syscw(struct task_struct *tsk)
 #define TASK_SIZE_OF(tsk)	TASK_SIZE
 #endif
 
-#ifdef CONFIG_MEMCG
-extern void mm_update_next_owner(struct mm_struct *mm);
-#else
-static inline void mm_update_next_owner(struct mm_struct *mm)
-{
-}
-#endif /* CONFIG_MEMCG */
-
 #endif
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 175b61f2672a..8fd3152bfeaa 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -57,4 +57,25 @@ extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(struct task_struct *, struct mm_struct *);
 
+#ifdef CONFIG_MEMCG
+extern void mm_update_next_owner(struct mm_struct *mm);
+#else
+static inline void mm_update_next_owner(struct mm_struct *mm)
+{
+}
+#endif /* CONFIG_MEMCG */
+
+#ifdef CONFIG_MMU
+extern void arch_pick_mmap_layout(struct mm_struct *mm);
+extern unsigned long
+arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
+		       unsigned long, unsigned long);
+extern unsigned long
+arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
+			  unsigned long len, unsigned long pgoff,
+			  unsigned long flags);
+#else
+static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
+#endif
+
 #endif /* _LINUX_SCHED_MM_H */
-- 
2.7.4

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[PATCH 00/53] sched.h modernization -v2, phase #3: "Move definitions between headers" Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 04/53] sched/headers: Move idle polling methods to <linux/sched/idle.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 16/53] sched/headers: Move 'struct pacct_struct' and 'struct cpu_itimer' form <linux/sched.h> to <linux/sched/signal.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 05/53] sched/headers: Move the wake-queue types and interfaces from sched.h into <linux/sched/wake_q.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 26/53] sched/headers: Move the memalloc_noio_*() APIs to <linux/sched/mm.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 28/53] sched/headers: Move the NOHZ APIs from <linux/sched.h> to <linux/sched/nohz.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 34/53] sched/headers, RCU: Move rcu_copy_process() from <linux/sched/task.h> to kernel/fork.c Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 30/53] sched/headers, time/timekeeping: Move the xtime_update() prototype from <linux/sched.h> to <linux/time.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 19:50 +0100
  [PATCH 17/53] sched/headers: Move the cpufreq interfaces to <linux/sched/cpufreq.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 11/53] sched/headers: Move task->mm handling methods to <linux/sched/mm.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 48/53] sched/headers: Move exit_files() and exit_itimers() from <linux/sched.h> to <linux/sched/task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 08/53] sched/headers: Move various ABI definitions to <uapi/linux/sched/types.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 19/53] sched/headers: Move the 'init_mm' declaration from <linux/sched.h> to <linux/mm_types.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 25/53] sched/headers: Move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 02/53] sched/headers: Move the 'cpu_idle_type' enum from <linux/sched.h> to <linux/sched/idle.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 50/53] sched/headers, timekeeping: Move the timer tick function prototypes to <linux/timekeeping.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 21/53] sched/headers: Move the NUMA balancing interfaces from <linux/sched.h> to <linux/sched/numa_balancing.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 31/53] sched/headers: Move <asm/current.h> include from the middle of <linux/sched.h> to the header portion Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 15/53] sched/headers: Move softlockup detector watchdog methods to <linux/nmi.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 29/53] sched/headers: Move debugging functions from <linux/sched.h> to <linux/sched/debug.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 27/53] sched/headers: Move task statistics APIs from <linux/sched.h> to <linux/sched/stat.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 23/53] sched/headers: Remove various unrelated headers from <linux/sched.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 13/53] sched/headers: Move task_struct::signal and task_struct::sighand types and accessors into <linux/sched/signal.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 18/53] sched/headers: Move more mm_struct related functionality from <linux/sched.h> to <linux/sched/mm.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 01/53] sched/headers: Move scheduler topology interfaces to <linux/sched/topology.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:00 +0100
  [PATCH 42/53] sched/headers: Move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 49/53] sched/headers: Move _init() prototypes from <linux/sched.h> to <linux/sched/init.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 41/53] sched/headers: Remove the <linux/mm_types.h> dependency from <linux/sched.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 44/53] sched/headers: Move cputime functionality from <linux/sched.h> and <linux/cputime.h> into <linux/sched/cputime.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 40/53] mm/headers, sched/headers: Move task related MM types from <linux/mm_types.> to <linux/mm_types_task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 43/53] sched/headers: Move the task_lock()/unlock() APIs to <linux/sched/task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:20 +0100
  [PATCH 46/53] sched/headers, vfs/execve: Move the do_execve*() prototypes from <linux/sched.h> to <linux/binfmts.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:50 +0100
  [PATCH 53/53] sched/headers: Move the sched_exec() prototype to <linux/sched/task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 20:50 +0100
  [PATCH 45/53] sched/headers: Move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 21:40 +0100
  [PATCH 51/53] sched/headers, mm: Move 'struct tlbflush_unmap_batch' from <linux/sched.h> to <linux/mm_types_task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 21:40 +0100
  [PATCH 37/53] sched/headers: Move task-stack related APIs from <linux/sched.h> to <linux/sched/task_stack.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 21:50 +0100
  [PATCH 47/53] sched/headers: Move kstack_end() from <linux/sched.h> to <linux/sched/task_stack.h> Ingo Molnar <mingo@kernel.org> - 2017-02-08 22:40 +0100
  [PATCH 52/53] sched/headers: Move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h> Ingo Molnar <mingo@kernel.org> - 2017-02-09 00:10 +0100

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