On Wed, Jan 08, 2014 at 03:10:55PM -0500, Sasha Levin wrote: > On 01/08/2014 02:51 PM, Andi Kleen wrote: > >Sasha Levin <sasha.le...@oracle.com> writes: > > > >>Fuzzing a recent kernel with a large configuration hits the static > >>allocation limits and disables lockdep. > > > >Doesn't that use a lot more memory? I thought lockdep preallocates. > > > >Doubling may be too aggressive. > > The patch adds about 4MB of memory usage, I didn't think it's too much for > something > that is only enabled during debugging.
Wasting 4MB is an issue. Linus' first Linux system had less total memory than that. > > If this is an issue, can I suggest making these values configurable in the > .config > and just let users pick whatever they want? Better allocate it at boot time, using a boot parameter or somesuch. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
