Commit 4240c8bf authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched/headers: Move more mm_struct related functionality from <linux/sched.h> to <linux/sched/mm.h> 



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.

Acked-by: default avatarLinus 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: default avatarIngo Molnar <mingo@kernel.org>
parent 7284c6d4

include/linux/sched.h

+0 −21
Original line number Diff line number Diff line
@@ -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
@@ -2280,12 +2267,4 @@ 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

include/linux/sched/mm.h

+21 −0
Original line number Diff line number Diff line
@@ -100,4 +100,25 @@ 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 */

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