On Thu, Jun 04, 2015 at 09:52:08AM +0530, Navin P wrote: > Hi, > > I want to change the cmdline of a process to support 8096 . It works > well on ppc where the page size is 65k. > But when i try to increase it on x86 (i686) > > http://lxr.free-electrons.com/source/fs/proc/base.c by doing > 6*PAGE_SIZE, i get kernel panic after some time > > 199 static int proc_pid_cmdline(struct seq_file *m, struct pid_namespace *ns, > 200 struct pid *pid, struct task_struct *task) > 201 { > 202 /* > 203 * Rely on struct seq_operations::show() being called once > 204 * per internal buffer allocation. See single_open(), traverse(). > 205 */ > 206 BUG_ON(m->size < PAGE_SIZE); > 207 m->count += get_cmdline(task, m->buf, 6*PAGE_SIZE); > 208 return 0; > 209 } > 210 That shows you that this will not work, sorry. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
