Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6

[pandora-kernel.git] / include / linux / shm.h

diff --git a/include/linux/shm.h b/include/linux/shm.h
index eeaed92..92808b8 100644 (file)
--- a/include/linux/shm.h
+++ b/include/linux/shm.h
@@ -3,7 +3,11 @@
 
 #include <linux/ipc.h>
 #include <linux/errno.h>
+#ifdef __KERNEL__
 #include <asm/page.h>
+#else
+#include <unistd.h>
+#endif
 
 /*
  * SHMMAX, SHMMNI and SHMALL are upper limits are defaults which can
@@ -13,7 +17,11 @@
 #define SHMMAX 0x2000000                /* max shared seg size (bytes) */
 #define SHMMIN 1                        /* min shared seg size (bytes) */
 #define SHMMNI 4096                     /* max num of segs system wide */
+#ifdef __KERNEL__
 #define SHMALL (SHMMAX/PAGE_SIZE*(SHMMNI/16)) /* max shm system wide (pages) */
+#else
+#define SHMALL (SHMMAX/getpagesize()*(SHMMNI/16))
+#endif
 #define SHMSEG SHMMNI                   /* max shared segs per process */
 
 #ifdef __KERNEL__
@@ -87,6 +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 */
@@ -98,6 +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)
@@ -108,6 +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__ */