Re: [PATCH -mm] Don't truncate /proc/PID/environ at 4096 characters

Mikael Pettersson
2007-09-19T18:36:06Z

H. Peter Anvin writes:
> Mikael Pettersson wrote:
> > On Wed, 19 Sep 2007 14:35:29 +0100, James Pearson wrote:
> >> /proc/PID/environ currently truncates at 4096 characters, patch based on
> >> the /proc/PID/mem code.
> >
> > Does /proc/PID/mem even work? If I do `strace cat /proc/PID/mem > /dev/null'
> > for a known good PID, the first read() from /proc/PID/mem fails with ESRCH,
>
> Of course it does. Address zero isn't typically mapped.

Indeed. My bad :-(