A patch that reduces bkl usage in do_coredump.  I don't see anywhere that
it is necessary except for the call to format_corename, which is controlled
via sysctl (sys_sysctl holds the bkl).

Also make format_corename() static.
Signed-off-by: Josh Aas <josha@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>