kernel/fork.c: make dup_mm() static

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 124430b..66a17ad 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -229,7 +229,7 @@ extern char ___assert_task_state[1 - 2*!!(
 /* get_task_state() */
 #define TASK_REPORT            (TASK_RUNNING | TASK_INTERRUPTIBLE | \
                                 TASK_UNINTERRUPTIBLE | __TASK_STOPPED | \
-                                __TASK_TRACED)
+                                __TASK_TRACED | EXIT_ZOMBIE | EXIT_DEAD)
 
 #define task_is_traced(task)   ((task->state & __TASK_TRACED) != 0)
 #define task_is_stopped(task)  ((task->state & __TASK_STOPPED) != 0)
@@ -391,10 +391,6 @@ arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
 
-
-extern void set_dumpable(struct mm_struct *mm, int value);
-extern int get_dumpable(struct mm_struct *mm);
-
 #define SUID_DUMP_DISABLE      0       /* No setuid dumping */
 #define SUID_DUMP_USER         1       /* Dump as user of process */
 #define SUID_DUMP_ROOT         2       /* Dump as root */
@@ -405,6 +401,23 @@ extern int get_dumpable(struct mm_struct *mm);
 #define MMF_DUMPABLE_BITS 2
 #define MMF_DUMPABLE_MASK ((1 << MMF_DUMPABLE_BITS) - 1)
 
+extern void set_dumpable(struct mm_struct *mm, int value);
+/*
+ * This returns the actual value of the suid_dumpable flag. For things
+ * that are using this for checking for privilege transitions, it must
+ * test against SUID_DUMP_USER rather than treating it as a boolean
+ * value.
+ */
+static inline int __get_dumpable(unsigned long mm_flags)
+{
+       return mm_flags & MMF_DUMPABLE_MASK;
+}
+
+static inline int get_dumpable(struct mm_struct *mm)
+{
+       return __get_dumpable(mm->flags);
+}
+
 /* coredump filter bits */
 #define MMF_DUMP_ANON_PRIVATE  2
 #define MMF_DUMP_ANON_SHARED   3
@@ -2282,8 +2295,6 @@ extern struct mm_struct *get_task_mm(struct task_struct *task);
 extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(struct task_struct *, struct mm_struct *);
-/* Allocate a new mm structure and copy contents from tsk->mm */
-extern struct mm_struct *dup_mm(struct task_struct *tsk);
 
 extern int copy_thread(unsigned long, unsigned long, unsigned long,
                        struct task_struct *);