[PATCH v2 02/16] netmem: introduce netmem alloc APIs to wrap page alloc APIs
From: Byungchul Park <byungchul@sk.com>
Date: 2025-05-28 02:29:22
Also in:
bpf, linux-mm, linux-rdma, lkml
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
To eliminate the use of struct page in page pool, the page pool code should use netmem descriptor and APIs instead. As part of the work, introduce netmem alloc APIs allowing the code to use them rather than the existing APIs for struct page. Signed-off-by: Byungchul Park <byungchul@sk.com> --- include/net/netmem.h | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/include/net/netmem.h b/include/net/netmem.h
index a721f9e060a2..37d0e0e002c2 100644
--- a/include/net/netmem.h
+++ b/include/net/netmem.h@@ -177,6 +177,19 @@ static inline netmem_ref page_to_netmem(struct page *page) return (__force netmem_ref)page; } +static inline netmem_ref alloc_netmems_node(int nid, gfp_t gfp_mask, + unsigned int order) +{ + return page_to_netmem(alloc_pages_node(nid, gfp_mask, order)); +} + +static inline unsigned long alloc_netmems_bulk_node(gfp_t gfp, int nid, + unsigned long nr_netmems, netmem_ref *netmem_array) +{ + return alloc_pages_bulk_node(gfp, nid, nr_netmems, + (struct page **)netmem_array); +} + /** * virt_to_netmem - convert virtual memory pointer to a netmem reference * @data: host memory pointer to convert
--
2.17.1