From patchwork Thu Jan 5 21:46:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 13090522 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3037FC54EBD for ; Thu, 5 Jan 2023 21:46:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235990AbjAEVqz (ORCPT ); Thu, 5 Jan 2023 16:46:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235949AbjAEVqe (ORCPT ); Thu, 5 Jan 2023 16:46:34 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 651AF676E2 for ; Thu, 5 Jan 2023 13:46:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=NvXYimBhkC9d0f/zXB3DUmNEVicwJZ07XethqUojHGM=; b=Mo74Isxg6Sr4vltDjX+oAMDu17 H1OVN76kk1HywCbMBHQflKlZsd+tUK4n/HqaF/M9lPHOkTN+8C/TZz5dZF5MTR9MgYetwAN66rCpm pb+VgH7d2XmUpG+43YCbBpbMFI6AQ5lb+IjGdUFxrhfroGpJT4Q3TAPp8nhtDCFdILRC0/Jm6fvUY OPUrxv5D5ERSLg7zZKYAf+FhYnhVwhrbDBEabzmubIgf71OkWALdIEua2sdwgbky2ySCng5KX6dnl vJezFvIqgSnKJ1hNdZmvjeS478Gz6VwoWsa5qAXAetAPaR7834+TSyGohv7bDpeKqgMXUVBLwh4km gB/Q8YlQ==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pDY4I-00GWnt-Q5; Thu, 05 Jan 2023 21:46:34 +0000 From: "Matthew Wilcox (Oracle)" To: Jesper Dangaard Brouer , Ilias Apalodimas Cc: "Matthew Wilcox (Oracle)" , netdev@vger.kernel.org, linux-mm@kvack.org, Shakeel Butt Subject: [PATCH v2 16/24] page_pool: Use netmem in page_pool_drain_frag() Date: Thu, 5 Jan 2023 21:46:23 +0000 Message-Id: <20230105214631.3939268-17-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230105214631.3939268-1-willy@infradead.org> References: <20230105214631.3939268-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org 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) Acked-by: Jesper Dangaard Brouer Reviewed-by: Ilias Apalodimas --- 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; }