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, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>