From patchwork Tue Dec 6 16:05:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 13066143 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 08B84C352A1 for ; Tue, 6 Dec 2022 16:11:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233826AbiLFQL3 (ORCPT ); Tue, 6 Dec 2022 11:11:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231669AbiLFQK7 (ORCPT ); Tue, 6 Dec 2022 11:10:59 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4D1992EF4F for ; Tue, 6 Dec 2022 08:05:34 -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=4icAOvmrxTKchMrADp++FcHPPFRR8CrUb6dlnPoOzwg=; b=AlPNq+68y2pVteEGObEwIqxqNG w47ES80i4MSal/x+QtESa8ln4fY9Ig+suDfDv5o+9uPrAvZE59sKf5ujHFFhlO0LuH5ZAr/+Oz03K RK98ssOFJz0Fg+5abxSlTZtEnxJAYJexTTfKGgW1hs464jVX5oIDEpe/k9Ptxoo1+OQmk0K3/JmZ+ uD3YNC3PmVgXDtVUZ/Pk9KIXLyW8Vj3AZNckV8HovmlQ6We+fV4121Y7MVK5Wrk2EPgo+lPnBbzAV n62kBU1xzl17809N27C/j4/q4ppdPBOeUZuCk5nH45BXuXny0SL7j79UMHJ7JNMGVU/OD0ChscirV Kzw93ybw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p2aRv-004aAm-6J; Tue, 06 Dec 2022 16:05:39 +0000 From: "Matthew Wilcox (Oracle)" To: Jesper Dangaard Brouer , Ilias Apalodimas Cc: "Matthew Wilcox (Oracle)" , netdev@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 25/26] netpool: Additional utility functions Date: Tue, 6 Dec 2022 16:05:36 +0000 Message-Id: <20221206160537.1092343-1-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20221130220803.3657490-1-willy@infradead.org> References: <20221130220803.3657490-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org To be folded into earlier commit --- include/net/page_pool.h | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 4878fe30f52c..94bad45ed8d0 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -117,16 +117,28 @@ static inline void *netmem_to_virt(const struct netmem *nmem) return page_to_virt(netmem_page(nmem)); } +static inline void *netmem_address(const struct netmem *nmem) +{ + return page_address(netmem_page(nmem)); +} + static inline int netmem_ref_count(const struct netmem *nmem) { return page_ref_count(netmem_page(nmem)); } +static inline void netmem_get(struct netmem *nmem) +{ + struct folio *folio = (struct folio *)nmem; + + folio_get(folio); +} + static inline void netmem_put(struct netmem *nmem) { struct folio *folio = (struct folio *)nmem; - return folio_put(folio); + folio_put(folio); } static inline bool netmem_is_pfmemalloc(const struct netmem *nmem) @@ -295,6 +307,11 @@ struct page_pool { struct netmem *page_pool_alloc_netmem(struct page_pool *pool, gfp_t gfp); +static inline struct netmem *page_pool_dev_alloc_netmem(struct page_pool *pool) +{ + return page_pool_alloc_netmem(pool, GFP_ATOMIC | __GFP_NOWARN); +} + static inline struct page *page_pool_alloc_pages(struct page_pool *pool, gfp_t gfp) { @@ -452,6 +469,12 @@ static inline void page_pool_recycle_direct(struct page_pool *pool, page_pool_put_full_page(pool, page, true); } +static inline void page_pool_recycle_netmem(struct page_pool *pool, + struct netmem *nmem) +{ + page_pool_put_full_netmem(pool, nmem, true); +} + #define PAGE_POOL_DMA_USE_PP_FRAG_COUNT \ (sizeof(dma_addr_t) > sizeof(unsigned long))