On Tue 24-11-15 13:36:15, Vlastimil Babka wrote: > CONFIG_PAGE_OWNER attempts to impose negligible runtime overhead when enabled > during compilation, but not actually enabled during runtime by boot param > page_owner=on. This overhead can be further reduced using the static key > mechanism, which this patch does.
Is this really worth doing? If we do not have jump labels then the check will be atomic rather than a simple access, so it would be more costly, no? Or am I missing something? -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
