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-rw-r--r--include/linux/sched.h2
-rw-r--r--include/linux/shm.h16
2 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index b21e9218c0fd..db2f6474e95e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -33,6 +33,7 @@ struct sched_param {
#include <linux/smp.h>
#include <linux/sem.h>
+#include <linux/shm.h>
#include <linux/signal.h>
#include <linux/compiler.h>
#include <linux/completion.h>
@@ -1385,6 +1386,7 @@ struct task_struct {
#ifdef CONFIG_SYSVIPC
/* ipc stuff */
struct sysv_sem sysvsem;
+ struct sysv_shm sysvshm;
#endif
#ifdef CONFIG_DETECT_HUNG_TASK
/* hung task detection */
diff --git a/include/linux/shm.h b/include/linux/shm.h
index 57d77709fbe2..fd206387048a 100644
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -1,6 +1,7 @@
#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>
@@ -20,6 +21,7 @@ struct shmid_kernel /* private to the kernel */
/* 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 */
@@ -44,11 +46,20 @@ struct shmid_kernel /* private to the kernel */
#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);
+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)
@@ -62,6 +73,9 @@ static inline int is_file_shm_hugepages(struct file *file)
static inline void exit_shm(struct task_struct *task)
{
}
+static inline void shm_init_task(struct task_struct *task)
+{
+}
#endif
#endif /* _LINUX_SHM_H_ */