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| author |   Ingo Molnar <mingo@elte.hu> | 2009-03-26 21:39:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-27 17:28:43 +0100 |
| commit | 6e15cf04860074ad032e88c306bea656bbdd0f22 (patch) | |
| tree | c346383bb7563e8d66b2f4a502f875b259c34870 /kernel/fork.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 (diff) | |
| parent | percpu: fix spurious alignment WARN in legacy SMP percpu allocator (diff) | |
| download | linux-dev-6e15cf04860074ad032e88c306bea656bbdd0f22.tar.xz linux-dev-6e15cf04860074ad032e88c306bea656bbdd0f22.zip | |
Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2
Conflicts:
arch/parisc/kernel/irq.c
arch/x86/include/asm/fixmap_64.h
arch/x86/include/asm/setup.h
kernel/irq/handle.c
Semantic merge:
arch/x86/include/asm/fixmap.h
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 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(); |