diff options
| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-07 14:18:36 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-07 14:18:36 -0700 |
| commit | 7e66eaf14e19c032433be7c4df3c892fa2a5282f (patch) | |
| tree | 56b0d5f9d16eb18744e102f3f216715196cd62e6 /include/linux/shm.h | |
| parent | Input: tsc2007 - add open and close methods (diff) | |
| parent | Linux 3.1-rc4 (diff) | |
| download | linux-dev-7e66eaf14e19c032433be7c4df3c892fa2a5282f.tar.xz linux-dev-7e66eaf14e19c032433be7c4df3c892fa2a5282f.zip | |
Merge commit 'v3.1-rc4' into next
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 eca6235a46c0..92808b86703b 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__ */ |