{
vec_validate (vlib_thread_stacks, thread_index);
vlib_thread_stacks[thread_index] = clib_mem_alloc_aligned
- (VLIB_THREAD_STACK_SIZE, VLIB_THREAD_STACK_SIZE);
+ (VLIB_THREAD_STACK_SIZE, clib_mem_get_page_size ());
/*
* Disallow writes to the bottom page of the stack, to