On Tue 03-10-17 11:22:35, Pasha Tatashin wrote: > > > On 10/03/2017 09:08 AM, Michal Hocko wrote: > > On Wed 20-09-17 16:17:08, Pavel Tatashin wrote: > > > Add struct page zeroing as a part of initialization of other fields in > > > __init_single_page(). > > > > > > This single thread performance collected on: Intel(R) Xeon(R) CPU E7-8895 > > > v3 @ 2.60GHz with 1T of memory (268400646 pages in 8 nodes): > > > > > > BASE FIX > > > sparse_init 11.244671836s 0.007199623s > > > zone_sizes_init 4.879775891s 8.355182299s > > > -------------------------- > > > Total 16.124447727s 8.362381922s > > > > Hmm, this is confusing. This assumes that sparse_init doesn't zero pages > > anymore, right? So these number depend on the last patch in the series? > > Correct, without the last patch sparse_init time won't change. THen this is just misleading. -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html