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RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[netdev]; DKIM_TRACE(0.00)[suse.cz:+]; R_RATELIMIT(0.00)[to_ip_from(RL7bkbc99c155spsfc817cj34k)]; TO_DN_SOME(0.00)[] X-Spam-Flag: NO X-Spam-Score: -3.01 X-Rspamd-Queue-Id: AEC213E714 X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spam-Level: On 2/10/26 12:47, Byungchul Park wrote: > Currently, the condition 'page->pp_magic == PP_SIGNATURE' is used to > determine if a page belongs to a page pool. However, with the planned > removal of @pp_magic, we should instead leverage the page_type in struct > page, such as PGTY_netpp, for this purpose. > > Introduce and use the page type APIs e.g. PageNetpp(), __SetPageNetpp(), > and __ClearPageNetpp() instead, and remove the existing APIs accessing > @pp_magic e.g. page_pool_page_is_pp(), netmem_or_pp_magic(), and > netmem_clear_pp_magic(). > > Plus, add @page_type to struct net_iov at the same offset as struct page > so as to use the page_type APIs for struct net_iov as well. While at it, > reorder @type and @owner in struct net_iov to avoid a hole and > increasing the struct size. > > This work was inspired by the following link: > > https://lore.kernel.org/all/582f41c0-2742-4400-9c81-0d46bf4e8314@gmail.com/ > > While at it, move the sanity check for page pool to on the free path. > > Suggested-by: David Hildenbrand > Co-developed-by: Pavel Begunkov > Signed-off-by: Pavel Begunkov > Signed-off-by: Byungchul Park > Acked-by: David Hildenbrand > Acked-by: Zi Yan > Reviewed-by: Toke Høiland-Jørgensen > --- > The following 'Acked-by's were given only for mm part: > > Acked-by: David Hildenbrand > Acked-by: Zi Yan Also for the mm parts: Acked-by: Vlastimil Babka Thanks.