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-rw-r--r--fs/exec.c8
-rw-r--r--include/linux/mm_types.h7
-rw-r--r--kernel/exit.c2
3 files changed, 11 insertions, 6 deletions
diff --git a/fs/exec.c b/fs/exec.c
index e347e6ed1617..71734568f018 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1597,13 +1597,13 @@ static int coredump_wait(int exit_code)
1597{ 1597{
1598 struct task_struct *tsk = current; 1598 struct task_struct *tsk = current;
1599 struct mm_struct *mm = tsk->mm; 1599 struct mm_struct *mm = tsk->mm;
1600 struct completion startup_done; 1600 struct core_state core_state;
1601 struct completion *vfork_done; 1601 struct completion *vfork_done;
1602 int core_waiters; 1602 int core_waiters;
1603 1603
1604 init_completion(&mm->core_done); 1604 init_completion(&mm->core_done);
1605 init_completion(&startup_done); 1605 init_completion(&core_state.startup);
1606 mm->core_startup_done = &startup_done; 1606 mm->core_state = &core_state;
1607 1607
1608 core_waiters = zap_threads(tsk, mm, exit_code); 1608 core_waiters = zap_threads(tsk, mm, exit_code);
1609 up_write(&mm->mmap_sem); 1609 up_write(&mm->mmap_sem);
@@ -1622,7 +1622,7 @@ static int coredump_wait(int exit_code)
1622 } 1622 }
1623 1623
1624 if (core_waiters) 1624 if (core_waiters)
1625 wait_for_completion(&startup_done); 1625 wait_for_completion(&core_state.startup);
1626fail: 1626fail:
1627 BUG_ON(mm->core_waiters); 1627 BUG_ON(mm->core_waiters);
1628 return core_waiters; 1628 return core_waiters;
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 02a27ae78539..97819efd2333 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -159,6 +159,10 @@ struct vm_area_struct {
159#endif 159#endif
160}; 160};
161 161
162struct core_state {
163 struct completion startup;
164};
165
162struct mm_struct { 166struct mm_struct {
163 struct vm_area_struct * mmap; /* list of VMAs */ 167 struct vm_area_struct * mmap; /* list of VMAs */
164 struct rb_root mm_rb; 168 struct rb_root mm_rb;
@@ -220,7 +224,8 @@ struct mm_struct {
220 unsigned long flags; /* Must use atomic bitops to access the bits */ 224 unsigned long flags; /* Must use atomic bitops to access the bits */
221 225
222 /* coredumping support */ 226 /* coredumping support */
223 struct completion *core_startup_done, core_done; 227 struct core_state *core_state;
228 struct completion core_done;
224 229
225 /* aio bits */ 230 /* aio bits */
226 rwlock_t ioctx_list_lock; /* aio lock */ 231 rwlock_t ioctx_list_lock; /* aio lock */
diff --git a/kernel/exit.c b/kernel/exit.c
index 28a44a2612dc..f7fa21dbced4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -680,7 +680,7 @@ static void exit_mm(struct task_struct * tsk)
680 up_read(&mm->mmap_sem); 680 up_read(&mm->mmap_sem);
681 down_write(&mm->mmap_sem); 681 down_write(&mm->mmap_sem);
682 if (!--mm->core_waiters) 682 if (!--mm->core_waiters)
683 complete(mm->core_startup_done); 683 complete(&mm->core_state->startup);
684 up_write(&mm->mmap_sem); 684 up_write(&mm->mmap_sem);
685 685
686 wait_for_completion(&mm->core_done); 686 wait_for_completion(&mm->core_done);