From: Byungchul Park <byungchul@xxxxxx> Date: Thu, 29 May 2025 12:29:03 +0900 > On Thu, May 29, 2025 at 12:10:29PM +0900, Byungchul Park wrote: >> The MM subsystem is trying to reduce struct page to a single pointer. >> The first step towards that is splitting struct page by its individual >> users, as has already been done with folio and slab. This patchset does >> that for netmem which is used for page pools. >> >> Matthew Wilcox tried and stopped the same work, you can see in: >> >> https://lore.kernel.org/linux-mm/20230111042214.907030-1-willy@xxxxxxxxxxxxx/ >> >> Mina Almasry already has done a lot fo prerequisite works by luck, he >> said :). I stacked my patches on the top of his work e.i. netmem. >> >> I focused on removing the page pool members in struct page this time, >> not moving the allocation code of page pool from net to mm. It can be >> done later if needed. >> >> The final patch removing the page pool fields will be submitted once >> all the converting work of page to netmem are done: >> >> 1. converting of libeth_fqe by Tony Nguyen. libeth_fqe will be fully converted to netmem when this PR is accepted: [1], see the first patch of the series. It didn't make it into this window as Jakub had a couple last-minute questions, but I hope it will be merged to net-next in the first couple weeks after net-next is open. >> 2. converting of mlx5 by Tariq Toukan. [1] https://lore.kernel.org/netdev/20250520205920.2134829-1-anthony.l.nguyen@xxxxxxxxx Thanks, Olek
