Re: [CFT][PATCH] large /proc/mounts and friends

Anton Blanchard (anton@samba.org)
Tue, 16 Oct 2001 14:05:39 +1000


Hi,

> Folks, patch below adds a new way to handle large files on procfs.
> I've done that for /proc/mounts and /proc/ksyms, but the same trick can
> be pulled for anything else. The basic idea: if file consists of records
> generated by some sequence of objects, we can just describe an iterator and
> use precanned functions to turn it into a file. That (and helpers for
> formatting) is done in fs/seq_file.c and include/linux/seq_file.h.

Ahh good I was just going to fix /proc/stat and /proc/interrupts; given
enough interrupts and cpus they both overflow 1 page and cause random
memory corruption.

Anton
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