On 10/04/2017 04:45 AM, Michal Hocko wrote:
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.
OK, I will re-arrange patches the way you suggested earlier.
Pasha
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