On Tuesday 08 February 2005 04:34, Joerg Hoh wrote: > On Mon, Feb 07, 2005 at 08:09:59PM -0500, Jim Bauer wrote: > > > > > > You never set 'start'. It is a pointer into 'page' corresponding to the > > offset, > > Hm, according to procfs-guide (linux 2.4.24): > > 'The parameter start doesn't seem to be used anywhere in the kernel.' > > So what's the right use of that paramter? I just looked and it is used. See fs/proc/generic.c:proc_file_read() that is the routine that'll call your read handler. However if you never set it, it defaults to being the same as 'page + offset'. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/