Re: [SLAB] __builtin_return_address use without FRAME_POINTERcauses boot failure

[Andrew Morton]

Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> wrote:
>
> Christoph Lameter wrote:
> 
> >I kept getting boot failures in the slab allocator. The failure goes 
> >away if one is setting CONFIG_FRAME_POINTER. Seems that 
> >CONFIG_DEBUG_SLAB implies the use of __buildin_return_address() which 
> >needs the framepointer.
> >
> >  
> >
> Very odd. __builtin_return_address(1) needs frame pointers, but slab 
> only uses __builtin_return_addresse(0), which should always work.

I assume this is due to the now-dropped
slab-leak-detector-give-longer-traces.patch
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/