if (!may_ptrace_attach(task)) 
if (!ptrace_may_attach(task)) 
static int proc_pid_environ(struct task_struct *task, char * buffer){	int res = 0;	struct mm_struct *mm = get_task_mm(task);	if (mm) {		unsigned int len = mm->env_end - mm->env_start;		if (len > PAGE_SIZE)			len = PAGE_SIZE;		res = access_process_vm(task, mm->env_start, buffer, len, 0);		if (!may_ptrace_attach(task))			res = -ESRCH;		mmput(mm);	}	return res;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/ab8d11beb46f0bd0617e04205c01f5c1fe845b61/base.c/clean/fs/proc/base.c