[PATCH v2 16/24] page_pool: Use netmem in page_pool_drain_frag()
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2023-01-05 21:46:40
Also in:
linux-mm
Subsystem:
networking [general], page pool, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jesper Dangaard Brouer, Ilias Apalodimas, Linus Torvalds
We're not quite ready to change the API of page_pool_drain_frag(), but we can remove the use of several wrappers by using the netmem throughout. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- net/core/page_pool.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index c495e3a16e83..cd469a9970e7 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c@@ -672,17 +672,17 @@ static struct page *page_pool_drain_frag(struct page_pool *pool, long drain_count = BIAS_MAX - pool->frag_users; /* Some user is still using the page frag */ - if (likely(page_pool_defrag_page(page, drain_count))) + if (likely(page_pool_defrag_netmem(nmem, drain_count))) return NULL; - if (page_ref_count(page) == 1 && !page_is_pfmemalloc(page)) { + if (netmem_ref_count(nmem) == 1 && !netmem_is_pfmemalloc(nmem)) { if (pool->p.flags & PP_FLAG_DMA_SYNC_DEV) page_pool_dma_sync_for_device(pool, nmem, -1); return page; } - page_pool_return_page(pool, page); + page_pool_return_netmem(pool, nmem); return NULL; }
--
2.35.1