diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-13 11:05:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 11:05:58 +0100 |
| commit | cd80a8142efa3468c2cd9fb52845f334c3220d54 (patch) | |
| tree | 919e88994bd3c09b34ce852d0a09bb0655d231d0 /kernel/fork.c | |
| parent | 641cd4cfcdc71ce01535b31cc4d57d59a1fae1fc (diff) | |
| parent | a98fe7f3425c6b4e90de16f8da63b0429a8fed08 (diff) | |
Merge branch 'x86/core' into core/ipi
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 4854c2c4a82e..6715ebc3761d 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(); |