diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2019-06-17 10:19:39 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2019-06-17 10:19:38 -0700 |
| commit | 4e933027e6848a194b03aa35c26bc20fe06205e9 (patch) | |
| tree | ab1dda795bb590c589a5af45f0692b3b6f3c3931 /include/linux/sched.h | |
| parent | c176a066dfd36e31ebaf2796a12b2c523e7083dc (diff) | |
| parent | 5ef154a26639ad07ed3ebdaea1dabe29065982b0 (diff) | |
Merge "Merge android-4.4.181 (bd858d7) into msm-4.4"
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 35074a03fcf4..ccd0f37dcff7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -3016,12 +3016,17 @@ extern struct mm_struct * mm_alloc(void); /* mmdrop drops the mm and the page tables */ extern void __mmdrop(struct mm_struct *); -static inline void mmdrop(struct mm_struct * mm) +static inline void mmdrop(struct mm_struct *mm) { if (unlikely(atomic_dec_and_test(&mm->mm_count))) __mmdrop(mm); } +static inline bool mmget_not_zero(struct mm_struct *mm) +{ + return atomic_inc_not_zero(&mm->mm_users); +} + /* mmput gets rid of the mappings and all user-space */ extern int mmput(struct mm_struct *); /* same as above but performs the slow path from the async kontext. Can |