diff options
author | David S. Miller <davem@davemloft.net> | 2009-03-29 01:40:34 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-03-29 01:40:34 -0700 |
commit | 13223cb02ccfa375f2d683d08d30db5b72264f1e (patch) | |
tree | d3fc7d803d22bbfe03b96cf0ba38041d42c8a1c2 /kernel/fork.c | |
parent | 1383bdb98c01bbd28d72336d1bf614ce79114d29 (diff) | |
parent | 07d43ba98621f08e252a48c96b258b4d572b0257 (diff) | |
download | op-kernel-dev-13223cb02ccfa375f2d683d08d30db5b72264f1e.zip op-kernel-dev-13223cb02ccfa375f2d683d08d30db5b72264f1e.tar.gz |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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 4854c2c..6715ebc 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(); |