From patchwork Thu Mar 28 13:38:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 13608544 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 009B0C54E67 for ; Thu, 28 Mar 2024 13:40:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7E3EC6B0088; Thu, 28 Mar 2024 09:40:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7BB4A6B008C; Thu, 28 Mar 2024 09:40:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 636EB6B0092; Thu, 28 Mar 2024 09:40:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 41F756B0088 for ; Thu, 28 Mar 2024 09:40:58 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id F3AAC40C55 for ; Thu, 28 Mar 2024 13:40:57 +0000 (UTC) X-FDA: 81946558554.02.22ECCFD Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) by imf05.hostedemail.com (Postfix) with ESMTP id 427DC100008 for ; Thu, 28 Mar 2024 13:40:54 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf05.hostedemail.com: domain of linyunsheng@huawei.com designates 45.249.212.190 as permitted sender) smtp.mailfrom=linyunsheng@huawei.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1711633256; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ALVJaIArbDD2KQxrmUeMSOWhAkBNMWk3XnP448DKja4=; b=zwLCUpICtvUKvjp6I9NYHyjBAZQeCdbyCCKxkD/A8KhG6yyeB4y2LPZi0/0QaTqZ8OGjBl AqOun4z+4rTWAr9fTnTFu/8mekRomxi+zVv0NG4HfqHPQ8mkeWzkcy/As2oNmvhUi88zsC Dd6FSUapG07mcE+QD9bC3fK8yqfWcu4= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf05.hostedemail.com: domain of linyunsheng@huawei.com designates 45.249.212.190 as permitted sender) smtp.mailfrom=linyunsheng@huawei.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1711633256; a=rsa-sha256; cv=none; b=noxr9maHQzW4ZUwMTP0ZVxX1ZKQlAAbwGY0baol0Ei0wFxwWhlEP7qIZMrBlOBPcXXh+V2 t6n4DHtFwBuS2F7bzOZsQJ/bpKy6Kj/56FojXClB/8GdlXwDQagu7Kbfr5WFxafI0H9Lbw 07pqnpYP8H1mK/7yIqkFq9gxwulVjO0= Received: from mail.maildlp.com (unknown [172.19.163.44]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4V54Pj5dqyz1xrSD; Thu, 28 Mar 2024 21:38:49 +0800 (CST) Received: from dggpemm500005.china.huawei.com (unknown [7.185.36.74]) by mail.maildlp.com (Postfix) with ESMTPS id 715951402CA; Thu, 28 Mar 2024 21:40:51 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggpemm500005.china.huawei.com (7.185.36.74) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Thu, 28 Mar 2024 21:40:50 +0800 From: Yunsheng Lin To: , , CC: , , Yunsheng Lin , Jeroen de Borst , Praveen Kaligineedi , Shailend Chand , Eric Dumazet , Jesse Brandeburg , Tony Nguyen , Sunil Goutham , Geetha sowjanya , Subbaraya Sundeep , hariprasad , Felix Fietkau , Sean Wang , Mark Lee , Lorenzo Bianconi , Matthias Brugger , AngeloGioacchino Del Regno , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , "Michael S. Tsirkin" , Jason Wang , Andrew Morton , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , David Howells , Marc Dionne , Trond Myklebust , Anna Schumaker , Chuck Lever , Jeff Layton , Neil Brown , Olga Kornievskaia , Dai Ngo , Tom Talpey , , , , , , , , , , Subject: [PATCH RFC 04/10] mm: page_frag: add '_va' suffix to page_frag API Date: Thu, 28 Mar 2024 21:38:33 +0800 Message-ID: <20240328133839.13620-5-linyunsheng@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20240328133839.13620-1-linyunsheng@huawei.com> References: <20240328133839.13620-1-linyunsheng@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500005.china.huawei.com (7.185.36.74) X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 427DC100008 X-Stat-Signature: apxnp87zxccuu48pwy55c6t7bmp48rgk X-Rspam-User: X-HE-Tag: 1711633254-884238 X-HE-Meta: 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 s7GDVd7s 7IRmohwiS9528NNGBPiFtlzw4Ztd6ARRyvexcRKUeVHnJJHMTkPt/99qxdEzRLL0KpWAuVgYNn8O6Fi3h/baVQWJAMTYi5jQlCF/NUOjf7t8RhTTwJQ1N4yRexkbLbu/LFelHbJmVsy+ILpqyygHOOFeHkIhEK4atelsVAMA5V+ejCRaFptI12qzQJxgAx4drlRQB7GC6iRkY2u8eDaE4mY1ePzKosSlfHEMkCbSC217u9l1MK/7wauGc6LlSzjsFjGR8zYRKQhDVAoA= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Currently most of the API for page_frag API is returning 'virtual address' as output or expecting 'virtual address' as input, in order to differentiate the API handling between 'virtual address' and 'struct page', add '_va' suffix to the corresponding API mirroring the page_pool_alloc_va() API of the page_pool. Signed-off-by: Yunsheng Lin --- drivers/net/ethernet/google/gve/gve_rx.c | 4 ++-- drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +- drivers/net/ethernet/intel/ice/ice_txrx.h | 2 +- drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 2 +- .../net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++-- .../marvell/octeontx2/nic/otx2_common.c | 2 +- drivers/net/ethernet/mediatek/mtk_wed_wo.c | 4 ++-- drivers/nvme/host/tcp.c | 8 +++---- drivers/nvme/target/tcp.c | 22 ++++++++--------- drivers/vhost/net.c | 6 ++--- include/linux/page_frag_cache.h | 24 ++++++++++--------- include/linux/skbuff.h | 2 +- kernel/bpf/cpumap.c | 2 +- mm/page_frag_alloc.c | 10 ++++---- net/core/skbuff.c | 15 ++++++------ net/core/xdp.c | 2 +- net/rxrpc/txbuf.c | 15 ++++++------ net/sunrpc/svcsock.c | 4 ++-- 18 files changed, 67 insertions(+), 63 deletions(-) diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 20f5a9e7fae9..58091de93430 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -687,7 +687,7 @@ static int gve_xdp_redirect(struct net_device *dev, struct gve_rx_ring *rx, total_len = headroom + SKB_DATA_ALIGN(len) + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); - frame = page_frag_alloc(&rx->page_cache, total_len, GFP_ATOMIC); + frame = page_frag_alloc_va(&rx->page_cache, total_len, GFP_ATOMIC); if (!frame) { u64_stats_update_begin(&rx->statss); rx->xdp_alloc_fails++; @@ -700,7 +700,7 @@ static int gve_xdp_redirect(struct net_device *dev, struct gve_rx_ring *rx, err = xdp_do_redirect(dev, &new, xdp_prog); if (err) - page_frag_free(frame); + page_frag_free_va(frame); return err; } diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 97d41d6ebf1f..87f23995b657 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -126,7 +126,7 @@ ice_unmap_and_free_tx_buf(struct ice_tx_ring *ring, struct ice_tx_buf *tx_buf) dev_kfree_skb_any(tx_buf->skb); break; case ICE_TX_BUF_XDP_TX: - page_frag_free(tx_buf->raw_buf); + page_frag_free_va(tx_buf->raw_buf); break; case ICE_TX_BUF_XDP_XMIT: xdp_return_frame(tx_buf->xdpf); diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h index af955b0e5dc5..65ad1757824f 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -148,7 +148,7 @@ static inline int ice_skb_pad(void) * @ICE_TX_BUF_DUMMY: dummy Flow Director packet, unmap and kfree() * @ICE_TX_BUF_FRAG: mapped skb OR &xdp_buff frag, only unmap DMA * @ICE_TX_BUF_SKB: &sk_buff, unmap and consume_skb(), update stats - * @ICE_TX_BUF_XDP_TX: &xdp_buff, unmap and page_frag_free(), stats + * @ICE_TX_BUF_XDP_TX: &xdp_buff, unmap and page_frag_free_va(), stats * @ICE_TX_BUF_XDP_XMIT: &xdp_frame, unmap and xdp_return_frame(), stats * @ICE_TX_BUF_XSK_TX: &xdp_buff on XSk queue, xsk_buff_free(), stats */ diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index f8f1d2bdc1be..312f351ac601 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -279,7 +279,7 @@ ice_clean_xdp_tx_buf(struct device *dev, struct ice_tx_buf *tx_buf, switch (tx_buf->type) { case ICE_TX_BUF_XDP_TX: - page_frag_free(tx_buf->raw_buf); + page_frag_free_va(tx_buf->raw_buf); break; case ICE_TX_BUF_XDP_XMIT: xdp_return_frame_bulk(tx_buf->xdpf, bq); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 9c960017a6de..f781c5f202c9 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -303,7 +303,7 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_q_vector *q_vector, /* free the skb */ if (ring_is_xdp(tx_ring)) - page_frag_free(tx_buffer->data); + page_frag_free_va(tx_buffer->data); else napi_consume_skb(tx_buffer->skb, napi_budget); @@ -2413,7 +2413,7 @@ static void ixgbevf_clean_tx_ring(struct ixgbevf_ring *tx_ring) /* Free all the Tx ring sk_buffs */ if (ring_is_xdp(tx_ring)) - page_frag_free(tx_buffer->data); + page_frag_free_va(tx_buffer->data); else dev_kfree_skb_any(tx_buffer->skb); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index a85ac039d779..8eb5820b8a70 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -553,7 +553,7 @@ static int __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool, *dma = dma_map_single_attrs(pfvf->dev, buf, pool->rbsize, DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); if (unlikely(dma_mapping_error(pfvf->dev, *dma))) { - page_frag_free(buf); + page_frag_free_va(buf); return -ENOMEM; } diff --git a/drivers/net/ethernet/mediatek/mtk_wed_wo.c b/drivers/net/ethernet/mediatek/mtk_wed_wo.c index 7063c78bd35f..c4228719f8a4 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed_wo.c +++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.c @@ -142,8 +142,8 @@ mtk_wed_wo_queue_refill(struct mtk_wed_wo *wo, struct mtk_wed_wo_queue *q, dma_addr_t addr; void *buf; - buf = page_frag_alloc(&q->cache, q->buf_size, - GFP_ATOMIC | GFP_DMA32); + buf = page_frag_alloc_va(&q->cache, q->buf_size, + GFP_ATOMIC | GFP_DMA32); if (!buf) break; diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 3692b56cb58d..ceb0d2d1497a 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -492,7 +492,7 @@ static void nvme_tcp_exit_request(struct blk_mq_tag_set *set, { struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq); - page_frag_free(req->pdu); + page_frag_free_va(req->pdu); } static int nvme_tcp_init_request(struct blk_mq_tag_set *set, @@ -506,7 +506,7 @@ static int nvme_tcp_init_request(struct blk_mq_tag_set *set, struct nvme_tcp_queue *queue = &ctrl->queues[queue_idx]; u8 hdgst = nvme_tcp_hdgst_len(queue); - req->pdu = page_frag_alloc(&queue->pf_cache, + req->pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(struct nvme_tcp_cmd_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!req->pdu) @@ -1323,7 +1323,7 @@ static void nvme_tcp_free_async_req(struct nvme_tcp_ctrl *ctrl) { struct nvme_tcp_request *async = &ctrl->async_req; - page_frag_free(async->pdu); + page_frag_free_va(async->pdu); } static int nvme_tcp_alloc_async_req(struct nvme_tcp_ctrl *ctrl) @@ -1332,7 +1332,7 @@ static int nvme_tcp_alloc_async_req(struct nvme_tcp_ctrl *ctrl) struct nvme_tcp_request *async = &ctrl->async_req; u8 hdgst = nvme_tcp_hdgst_len(queue); - async->pdu = page_frag_alloc(&queue->pf_cache, + async->pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(struct nvme_tcp_cmd_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!async->pdu) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index 2aa5762e9f50..a236e9fe145d 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -1461,24 +1461,24 @@ static int nvmet_tcp_alloc_cmd(struct nvmet_tcp_queue *queue, c->queue = queue; c->req.port = queue->port->nport; - c->cmd_pdu = page_frag_alloc(&queue->pf_cache, + c->cmd_pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(*c->cmd_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!c->cmd_pdu) return -ENOMEM; c->req.cmd = &c->cmd_pdu->cmd; - c->rsp_pdu = page_frag_alloc(&queue->pf_cache, + c->rsp_pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(*c->rsp_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!c->rsp_pdu) goto out_free_cmd; c->req.cqe = &c->rsp_pdu->cqe; - c->data_pdu = page_frag_alloc(&queue->pf_cache, + c->data_pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(*c->data_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!c->data_pdu) goto out_free_rsp; - c->r2t_pdu = page_frag_alloc(&queue->pf_cache, + c->r2t_pdu = page_frag_alloc_va(&queue->pf_cache, sizeof(*c->r2t_pdu) + hdgst, GFP_KERNEL | __GFP_ZERO); if (!c->r2t_pdu) goto out_free_data; @@ -1493,20 +1493,20 @@ static int nvmet_tcp_alloc_cmd(struct nvmet_tcp_queue *queue, return 0; out_free_data: - page_frag_free(c->data_pdu); + page_frag_free_va(c->data_pdu); out_free_rsp: - page_frag_free(c->rsp_pdu); + page_frag_free_va(c->rsp_pdu); out_free_cmd: - page_frag_free(c->cmd_pdu); + page_frag_free_va(c->cmd_pdu); return -ENOMEM; } static void nvmet_tcp_free_cmd(struct nvmet_tcp_cmd *c) { - page_frag_free(c->r2t_pdu); - page_frag_free(c->data_pdu); - page_frag_free(c->rsp_pdu); - page_frag_free(c->cmd_pdu); + page_frag_free_va(c->r2t_pdu); + page_frag_free_va(c->data_pdu); + page_frag_free_va(c->rsp_pdu); + page_frag_free_va(c->cmd_pdu); } static int nvmet_tcp_alloc_cmds(struct nvmet_tcp_queue *queue) diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index c64ded183f8d..96d5ca299552 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -682,8 +682,8 @@ static int vhost_net_build_xdp(struct vhost_net_virtqueue *nvq, return -ENOSPC; buflen += SKB_DATA_ALIGN(len + pad); - buf = page_frag_alloc_align(&net->pf_cache, buflen, GFP_KERNEL, - SMP_CACHE_BYTES); + buf = page_frag_alloc_va_align(&net->pf_cache, buflen, GFP_KERNEL, + SMP_CACHE_BYTES); if (unlikely(!buf)) return -ENOMEM; @@ -730,7 +730,7 @@ static int vhost_net_build_xdp(struct vhost_net_virtqueue *nvq, return 0; err: - page_frag_free(buf); + page_frag_free_va(buf); return ret; } diff --git a/include/linux/page_frag_cache.h b/include/linux/page_frag_cache.h index cc0ede0912f3..9d5d86b2d3ab 100644 --- a/include/linux/page_frag_cache.h +++ b/include/linux/page_frag_cache.h @@ -25,27 +25,29 @@ struct page_frag_cache { void page_frag_cache_drain(struct page_frag_cache *nc); void __page_frag_cache_drain(struct page *page, unsigned int count); -void *page_frag_alloc(struct page_frag_cache *nc, unsigned int fragsz, - gfp_t gfp_mask); +void *page_frag_alloc_va(struct page_frag_cache *nc, unsigned int fragsz, + gfp_t gfp_mask); -static inline void *__page_frag_alloc_align(struct page_frag_cache *nc, - unsigned int fragsz, gfp_t gfp_mask, - unsigned int align) +static inline void *__page_frag_alloc_va_align(struct page_frag_cache *nc, + unsigned int fragsz, + gfp_t gfp_mask, + unsigned int align) { nc->offset = ALIGN(nc->offset, align); - return page_frag_alloc(nc, fragsz, gfp_mask); + return page_frag_alloc_va(nc, fragsz, gfp_mask); } -static inline void *page_frag_alloc_align(struct page_frag_cache *nc, - unsigned int fragsz, gfp_t gfp_mask, - unsigned int align) +static inline void *page_frag_alloc_va_align(struct page_frag_cache *nc, + unsigned int fragsz, + gfp_t gfp_mask, + unsigned int align) { WARN_ON_ONCE(!is_power_of_2(align)); - return __page_frag_alloc_align(nc, fragsz, gfp_mask, align); + return __page_frag_alloc_va_align(nc, fragsz, gfp_mask, align); } -void page_frag_free(void *addr); +void page_frag_free_va(void *addr); #endif diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 074cdd29f782..70d657a7b309 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3339,7 +3339,7 @@ static inline struct sk_buff *netdev_alloc_skb_ip_align(struct net_device *dev, static inline void skb_free_frag(void *addr) { - page_frag_free(addr); + page_frag_free_va(addr); } void *__napi_alloc_frag_align(unsigned int fragsz, unsigned int align); diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index a8e34416e960..3a6a237e7dd3 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -322,7 +322,7 @@ static int cpu_map_kthread_run(void *data) /* Bring struct page memory area to curr CPU. Read by * build_skb_around via page_is_pfmemalloc(), and when - * freed written by page_frag_free call. + * freed written by page_frag_free_va call. */ prefetchw(page); } diff --git a/mm/page_frag_alloc.c b/mm/page_frag_alloc.c index 39c744c892ed..7f639af4e518 100644 --- a/mm/page_frag_alloc.c +++ b/mm/page_frag_alloc.c @@ -63,8 +63,8 @@ void __page_frag_cache_drain(struct page *page, unsigned int count) } EXPORT_SYMBOL(__page_frag_cache_drain); -void *page_frag_alloc(struct page_frag_cache *nc, unsigned int fragsz, - gfp_t gfp_mask) +void *page_frag_alloc_va(struct page_frag_cache *nc, unsigned int fragsz, + gfp_t gfp_mask) { unsigned int size, offset; struct page *page; @@ -130,16 +130,16 @@ void *page_frag_alloc(struct page_frag_cache *nc, unsigned int fragsz, return nc->va + offset; } -EXPORT_SYMBOL(page_frag_alloc); +EXPORT_SYMBOL(page_frag_alloc_va); /* * Frees a page fragment allocated out of either a compound or order 0 page. */ -void page_frag_free(void *addr) +void page_frag_free_va(void *addr) { struct page *page = virt_to_head_page(addr); if (unlikely(put_page_testzero(page))) free_unref_page(page, compound_order(page)); } -EXPORT_SYMBOL(page_frag_free); +EXPORT_SYMBOL(page_frag_free_va); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4c88d7f541e4..aa3adaa2c466 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -311,7 +311,7 @@ void *__napi_alloc_frag_align(unsigned int fragsz, unsigned int align) fragsz = SKB_DATA_ALIGN(fragsz); - return __page_frag_alloc_align(&nc->page, fragsz, GFP_ATOMIC, align); + return __page_frag_alloc_va_align(&nc->page, fragsz, GFP_ATOMIC, align); } EXPORT_SYMBOL(__napi_alloc_frag_align); @@ -323,14 +323,15 @@ void *__netdev_alloc_frag_align(unsigned int fragsz, unsigned int align) if (in_hardirq() || irqs_disabled()) { struct page_frag_cache *nc = this_cpu_ptr(&netdev_alloc_cache); - data = __page_frag_alloc_align(nc, fragsz, GFP_ATOMIC, align); + data = __page_frag_alloc_va_align(nc, fragsz, GFP_ATOMIC, + align); } else { struct napi_alloc_cache *nc; local_bh_disable(); nc = this_cpu_ptr(&napi_alloc_cache); - data = __page_frag_alloc_align(&nc->page, fragsz, GFP_ATOMIC, - align); + data = __page_frag_alloc_va_align(&nc->page, fragsz, GFP_ATOMIC, + align); local_bh_enable(); } return data; @@ -740,12 +741,12 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int len, if (in_hardirq() || irqs_disabled()) { nc = this_cpu_ptr(&netdev_alloc_cache); - data = page_frag_alloc(nc, len, gfp_mask); + data = page_frag_alloc_va(nc, len, gfp_mask); pfmemalloc = nc->pfmemalloc; } else { local_bh_disable(); nc = this_cpu_ptr(&napi_alloc_cache.page); - data = page_frag_alloc(nc, len, gfp_mask); + data = page_frag_alloc_va(nc, len, gfp_mask); pfmemalloc = nc->pfmemalloc; local_bh_enable(); } @@ -834,7 +835,7 @@ struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len, } else { len = SKB_HEAD_ALIGN(len); - data = page_frag_alloc(&nc->page, len, gfp_mask); + data = page_frag_alloc_va(&nc->page, len, gfp_mask); pfmemalloc = nc->page.pfmemalloc; } diff --git a/net/core/xdp.c b/net/core/xdp.c index 41693154e426..245a2d011aeb 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -391,7 +391,7 @@ void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct, page_pool_put_full_page(page->pp, page, napi_direct); break; case MEM_TYPE_PAGE_SHARED: - page_frag_free(data); + page_frag_free_va(data); break; case MEM_TYPE_PAGE_ORDER0: page = virt_to_page(data); /* Assumes order0 page*/ diff --git a/net/rxrpc/txbuf.c b/net/rxrpc/txbuf.c index eb640875bf07..f2fa98360789 100644 --- a/net/rxrpc/txbuf.c +++ b/net/rxrpc/txbuf.c @@ -34,8 +34,8 @@ struct rxrpc_txbuf *rxrpc_alloc_data_txbuf(struct rxrpc_call *call, size_t data_ data_align = max_t(size_t, data_align, L1_CACHE_BYTES); mutex_lock(&call->conn->tx_data_alloc_lock); - buf = page_frag_alloc_align(&call->conn->tx_data_alloc, total, gfp, - data_align); + buf = page_frag_alloc_va_align(&call->conn->tx_data_alloc, total, gfp, + data_align); mutex_unlock(&call->conn->tx_data_alloc_lock); if (!buf) { kfree(txb); @@ -97,17 +97,18 @@ struct rxrpc_txbuf *rxrpc_alloc_ack_txbuf(struct rxrpc_call *call, size_t sack_s if (!txb) return NULL; - buf = page_frag_alloc(&call->local->tx_alloc, - sizeof(*whdr) + sizeof(*ack) + 1 + 3 + sizeof(*trailer), gfp); + buf = page_frag_alloc_va(&call->local->tx_alloc, + sizeof(*whdr) + sizeof(*ack) + 1 + 3 + sizeof(*trailer), gfp); if (!buf) { kfree(txb); return NULL; } if (sack_size) { - buf2 = page_frag_alloc(&call->local->tx_alloc, sack_size, gfp); + buf2 = page_frag_alloc_va(&call->local->tx_alloc, sack_size, + gfp); if (!buf2) { - page_frag_free(buf); + page_frag_free_va(buf); kfree(txb); return NULL; } @@ -181,7 +182,7 @@ static void rxrpc_free_txbuf(struct rxrpc_txbuf *txb) rxrpc_txbuf_free); for (i = 0; i < txb->nr_kvec; i++) if (txb->kvec[i].iov_base) - page_frag_free(txb->kvec[i].iov_base); + page_frag_free_va(txb->kvec[i].iov_base); kfree(txb); atomic_dec(&rxrpc_nr_txbuf); } diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 545017a3daa4..055ed38cef97 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1231,8 +1231,8 @@ static int svc_tcp_sendmsg(struct svc_sock *svsk, struct svc_rqst *rqstp, /* The stream record marker is copied into a temporary page * fragment buffer so that it can be included in rq_bvec. */ - buf = page_frag_alloc(&svsk->sk_frag_cache, sizeof(marker), - GFP_KERNEL); + buf = page_frag_alloc_va(&svsk->sk_frag_cache, sizeof(marker), + GFP_KERNEL); if (!buf) return -ENOMEM; memcpy(buf, &marker, sizeof(marker));