On Mon, Apr 06, 2026 at 10:51:36AM -0700, Jakub Kicinski wrote: > On Sat, 4 Apr 2026 20:14:35 -0700 Dipayaan Roy wrote: > > Function Fragment Full-page Delta > > ─---------------------------- ─------- --------- ----- > > napi_pp_put_page 3.93% 0.85% +3.08% > > page_pool_alloc_frag_netmem 1.93% — +1.93% > > Total page_pool overhead 5.86% 0.85% +5.01% > > > Thanks for the analysis, and presumably recycling the full page is > cheaper because page_pool_put_unrefed_netmem() hits the fastpath > because page_pool_napi_local() returns true? yes right, thus avoiding atomics.
Regards
