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

Mikael Pettersson
2007-09-19T14:54:40Z

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,
which is bullocks. cat /proc/PID/environ does work. I'm seeing this on
2.6.22 vanilla, 2.6.20 FC6, and 2.6.18 RHEL5 kernels.

/Mikael