diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2009-03-06 16:44:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-06 16:45:01 +0100 |
| commit | f0ef03985130287c6c84ebe69416cf790e6cc00e (patch) | |
| tree | 3ecb04cc4d82e5fc3ae5f1747e6da172ae8cbcb7 /kernel/fork.c | |
| parent | Merge branches 'tracing/ftrace' and 'tracing/function-graph-tracer' into tracing/core (diff) | |
| parent | Merge branch 'x86/uv' into x86/core (diff) | |
Merge branch 'x86/core' into tracing/textedit
Conflicts:
arch/x86/Kconfig
block/blktrace.c
kernel/irq/handle.c
Semantic conflict:
kernel/trace/blktrace.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index a66fbde20715..8de303bdd4e5 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -61,6 +61,7 @@ #include <linux/proc_fs.h> #include <linux/blkdev.h> #include <trace/sched.h> +#include <linux/magic.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -212,6 +213,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) { struct task_struct *tsk; struct thread_info *ti; + unsigned long *stackend; + int err; prepare_to_copy(orig); @@ -237,6 +240,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) goto out; setup_thread_stack(tsk, orig); + stackend = end_of_stack(tsk); + *stackend = STACK_END_MAGIC; /* for overflow detection */ #ifdef CONFIG_CC_STACKPROTECTOR tsk->stack_canary = get_random_int(); |