On Tue, 3 Mar 2015, Andrey Ryabinin wrote: > On 03/03/2015 12:10 PM, Dmitry Vyukov wrote: > > Please hold on with this. > > Dmitry Chernenkov is working on a quarantine that works with both slub > > and slab, does not cause spurious OOMs and does not depend on > > slub-debug which has unacceptable performance (acquires global lock). > > I think that it's a separate issue. KASan already depend on slub_debug - it > required for redzones/user tracking. > I think that some parts slub debugging (like user tracking and this > quarantine) > could be moved (for CONFIG_KASAN=y) to the fast path without any locking.
In general these features need to be ifdeffed out since they add significant overhead for the data structures and execution paths. -- 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/
