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authorIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-18 16:48:49 +0100
commit73f56c0d35e6427081a4eabd620d8b8d8a35bd09 (patch)
tree9fe1a2577baea03f3a6ec4a5e79f3ff26c4ee0ae /kernel/fork.c
parentx86: more general identifier for Phoenix BIOS (diff)
parentAMD IOMMU: check for next_bit also in unmapped area (diff)
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f6083561dfe0..2a372a0e206f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -40,6 +40,7 @@
#include <linux/jiffies.h>
#include <linux/tracehook.h>
#include <linux/futex.h>
+#include <linux/compat.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/rcupdate.h>
#include <linux/ptrace.h>
@@ -519,6 +520,16 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
{
struct completion *vfork_done = tsk->vfork_done;
+ /* Get rid of any futexes when releasing the mm */
+#ifdef CONFIG_FUTEX
+ if (unlikely(tsk->robust_list))
+ exit_robust_list(tsk);
+#ifdef CONFIG_COMPAT
+ if (unlikely(tsk->compat_robust_list))
+ compat_exit_robust_list(tsk);
+#endif
+#endif
+
/* Get rid of any cached register state */
deactivate_mm(tsk, mm);