(plus some CodingStyle reformatting)

into tetrachloride.(none):/mnt/stuff/kernel/2.5/watchdog

Since we killed off the broken 486 strings copies,
the config item isn't needed any longer.

Next in line for the -W cleanups is this patch from Willy
which I've been carrying since 2.5.29 or so. Should be no
functional differences, just no more warnings when we compile
with -W

s/boundry/boundary/

Without this fix, compiling with CONFIG_DEBUG_SPINLOCK
dies with an unknown variable error..

This looks extremely suspect to me, and seems like
it will prefetch past the end of the pmd, which is a no no.

Can't remember where this came from, but its been around
for quite a while. Prints the parent (tracer) pid if
its being traced.

The first of many...

From 2.4

Silly typo caused strange corruption.

With this fixed, agpgart almost works again on x86-64
(change_page_attr() seems broken there)