On Thu, Dec 10, 2015 at 10:02:51AM +0100, Peter Zijlstra wrote:
> On Wed, Dec 09, 2015 at 07:54:35PM -0800, Alexei Starovoitov wrote:
> > Freeing memory is a requirement regardless.
> > Even when kernel running with kasan, there must be a way to stop
> > stack collection and free that memory.
> > You cannot treat kernel as your test program or 'device under test'.
> 
> Relax, that is exactly what lockdep does. It cannot dynamically allocate
> things because allocators use lock etc..
> 
> Its fine to build up state for debug bits, esp. if its bounded, like the
> number of unique callchains.

except the code in question is doing unbounded alloc_pages()

--
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/

Reply via email to