On 04/16/2019 09:10 AM, Peter Zijlstra wrote: > On Mon, Apr 15, 2019 at 04:58:27PM -0400, Waiman Long wrote: >> This series contain 2 follow-up patches to alleviate the performance >> regression found in the page_fault1 test of the will-it-scale benchmark. >> This does not recover all the lost performance, but reclaim a sizeable >> portion of it. >> >> The regression was found on an Intel system. I have run the test on >> an AMD system. The regression wasn't seen there. There are only minor >> variations in performance. Perhaps the page fault path is quite different >> between Intel and AMD systems. > Can you please just fold this back into the appropriate patches? Trying > to review all the back and forth is painful.
I will send out an update part 2 patch with patch 1 of this series merged into the writer spinning on reader patch. Patch 2 of this series will be a standalone one. Cheers, Longman
