expand_stack_downwards 1302 fs/compat.c ret = expand_stack_downwards(bprm->vma, pos); expand_stack_downwards 179 fs/exec.c ret = expand_stack_downwards(bprm->vma, pos); expand_stack_downwards 1171 include/linux/mm.h extern int expand_stack_downwards(struct vm_area_struct *vma,