#ifndef _LINUX_SHM_H_
#define _LINUX_SHM_H_
+#include <linux/list.h>
#include <asm/page.h>
#include <uapi/linux/shm.h>
#include <asm/shmparam.h>
/* The task created the shm object. NULL if the task is dead. */
struct task_struct *shm_creator;
+ struct list_head shm_clist; /* list by creator */
};
/* shm_mode upper byte flags */
#define SHM_HUGE_1GB (30 << SHM_HUGE_SHIFT)
#ifdef CONFIG_SYSVIPC
+struct sysv_shm {
+ struct list_head shm_clist;
+};
+
long do_shmat(int shmid, char __user *shmaddr, int shmflg, unsigned long *addr,
unsigned long shmlba);
-extern int is_file_shm_hugepages(struct file *file);
-extern void exit_shm(struct task_struct *task);
+int is_file_shm_hugepages(struct file *file);
+void exit_shm(struct task_struct *task);
+#define shm_init_task(task) INIT_LIST_HEAD(&(task)->sysvshm.shm_clist)
#else
+struct sysv_shm {
+ /* empty */
+};
+
static inline long do_shmat(int shmid, char __user *shmaddr,
int shmflg, unsigned long *addr,
unsigned long shmlba)
static inline void exit_shm(struct task_struct *task)
{
}
+static inline void shm_init_task(struct task_struct *task)
+{
+}
#endif
#endif /* _LINUX_SHM_H_ */