diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
| commit | 0a2d31b62dba9b5b92a38c67c9cc42630513662a (patch) | |
| tree | f755d74ec85248de645e10c45ed1a2ed467530f6 /include/linux/shm.h | |
| parent | 8039290a91c5dc4414093c086987a5d7738fe2fd (diff) | |
| parent | df944f66784e6d4f2f50739263a4947885d8b6ae (diff) | |
Merge branch 'fix/kconfig' into for-linus
Diffstat (limited to 'include/linux/shm.h')
| -rw-r--r-- | include/linux/shm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/shm.h b/include/linux/shm.h index eca6235a46c..92808b86703 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -95,6 +95,9 @@ struct shmid_kernel /* private to the kernel */ pid_t shm_cprid; pid_t shm_lprid; struct user_struct *mlock_user; + + /* The task created the shm object. NULL if the task is dead. */ + struct task_struct *shm_creator; }; /* shm_mode upper byte flags */ @@ -106,6 +109,7 @@ struct shmid_kernel /* private to the kernel */ #ifdef CONFIG_SYSVIPC long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr); extern int is_file_shm_hugepages(struct file *file); +extern void exit_shm(struct task_struct *task); #else static inline long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr) @@ -116,6 +120,9 @@ static inline int is_file_shm_hugepages(struct file *file) { return 0; } +static inline void exit_shm(struct task_struct *task) +{ +} #endif #endif /* __KERNEL__ */ |