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author | Ingo Molnar <mingo@kernel.org> | 2018-02-06 23:12:31 +0300 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-02-06 23:12:31 +0300 |
commit | 82845079160817cc6ac64e5321bbd935e0a47b3a (patch) | |
tree | 0886d1d52428e9db14536cae4b37db896e7c360a /include/linux/sched/mm.h | |
parent | 32e839dda3ba576943365f0f5817ce5c843137dc (diff) | |
parent | 68c5735eaa5e680e701c9a2d1e3c7880bdf5ab66 (diff) | |
download | linux-82845079160817cc6ac64e5321bbd935e0a47b3a.tar.xz |
Merge branch 'linus' into sched/urgent, to resolve conflicts
Conflicts:
arch/arm64/kernel/entry.S
arch/x86/Kconfig
include/linux/sched/mm.h
kernel/fork.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/sched/mm.h')
-rw-r--r-- | include/linux/sched/mm.h | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 03a169087a18..1149533aa2fa 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -12,7 +12,7 @@ /* * Routines for handling mm_structs */ -extern struct mm_struct * mm_alloc(void); +extern struct mm_struct *mm_alloc(void); /** * mmgrab() - Pin a &struct mm_struct. @@ -36,32 +36,7 @@ static inline void mmgrab(struct mm_struct *mm) atomic_inc(&mm->mm_count); } -/* mmdrop drops the mm and the page tables */ -extern void __mmdrop(struct mm_struct *); -static inline void mmdrop(struct mm_struct *mm) -{ - /* - * The implicit full barrier implied by atomic_dec_and_test() is - * required by the membarrier system call before returning to - * user-space, after storing to rq->curr. - */ - if (unlikely(atomic_dec_and_test(&mm->mm_count))) - __mmdrop(mm); -} - -static inline void mmdrop_async_fn(struct work_struct *work) -{ - struct mm_struct *mm = container_of(work, struct mm_struct, async_put_work); - __mmdrop(mm); -} - -static inline void mmdrop_async(struct mm_struct *mm) -{ - if (unlikely(atomic_dec_and_test(&mm->mm_count))) { - INIT_WORK(&mm->async_put_work, mmdrop_async_fn); - schedule_work(&mm->async_put_work); - } -} +extern void mmdrop(struct mm_struct *mm); /** * mmget() - Pin the address space associated with a &struct mm_struct. |