On 2014/1/17 20:04, Catalin Marinas wrote: > On Fri, Jan 17, 2014 at 09:40:02AM +0000, Jianguo Wu wrote: >> Now disabling kmemleak is an irreversible operation, but sometimes >> we may need to re-enable kmemleak at runtime. So add a knob to enable >> kmemleak at runtime: >> echo on > /sys/kernel/debug/kmemleak > > It is irreversible for very good reason: once it missed the initial > memory allocations, there is no way for kmemleak to build the object > reference graph and you'll get lots of false positives, pretty much > making it unusable. > Do you mean we didn't trace memory allocations during kmemleak disable period, and these memory may reference to new allocated objects after re-enable? -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
