diff options
| -rw-r--r-- | kernel/fork.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 07cddff89c7b..e2a5156bc9c3 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -240,8 +240,10 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node) * free_thread_stack() can be called in interrupt context, * so cache the vm_struct. */ - if (stack) + if (stack) { tsk->stack_vm_area = find_vm_area(stack); + tsk->stack = stack; + } return stack; #else struct page *page = alloc_pages_node(node, THREADINFO_GFP, @@ -288,7 +290,10 @@ static struct kmem_cache *thread_stack_cache; static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node) { - return kmem_cache_alloc_node(thread_stack_cache, THREADINFO_GFP, node); + unsigned long *stack; + stack = kmem_cache_alloc_node(thread_stack_cache, THREADINFO_GFP, node); + tsk->stack = stack; + return stack; } static void free_thread_stack(struct task_struct *tsk) |