Can anyone just point me out to the kernel source , in fork.c where the kerenel stack is allocated per processs. Thanks in advance. -- Regards, Sandeep Winners expect to win in advance. Life is a self-fulfilling prophecy. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/