Re: single bit flip detector.

[Dave Jones <davej@redhat.com>]

On Fri, Aug 04, 2006 at 02:19:55PM -0700, Andrew Morton wrote:
 > On Tue, 1 Aug 2006 20:16:26 -0400
 > Dave Jones <davej@redhat.com> wrote:
 > 
 > > In case where we detect a single bit has been flipped, we spew
 > > the usual slab corruption message, which users instantly think
 > > is a kernel bug.  In a lot of cases, single bit errors are
 > > down to bad memory, or other hardware failure.
 > > 
 > > This patch adds an extra line to the slab debug messages
 > > in those cases, in the hope that users will try memtest before
 > > they report a bug.
 > 
 > Well boy, this has to be the most-reviewed patch ever.  You'd think that
 > I'd apply it with great confidence and warm fuzzies.

I should stick to one-liner fixes.

 > - one decl per line is more patching-friendly and a bit more idiomatic.
 > - make `bad_count' an int: a uchar might overflow
 > - Put a blank line between decls and code
 > - rename `total' to `error', remove `errors'.
 > - there's no need to sum up the errors.
 > - don't need to check for non-zero `errors': we know it is != POISON_FREE.
 > - make it look non-crapful in an 80-col window.
 > - add missing spaces in arithmetic

With this much iteration, I do have one question..
Does it still work ? :-)

		Dave

-- 
http://www.codemonkey.org.uk