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From: Jeroen de Borst <jeroendb@google.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org,
	Jordan Kim <jrkim@google.com>,
	Jeroen de Borst <jeroendb@google.com>
Subject: [PATCH net-next v2 6/7] gve: Allow pageflips on larger pages
Date: Mon, 11 Oct 2021 08:36:49 -0700	[thread overview]
Message-ID: <20211011153650.1982904-7-jeroendb@google.com> (raw)
In-Reply-To: <20211011153650.1982904-1-jeroendb@google.com>

From: Jordan Kim <jrkim@google.com>

Half pages are just used for small enough packets. This change allows
this to also apply for systems with pages larger than 4 KB.

Fixes: 02b0e0c18ba75 ("gve: Rx Buffer Recycling")
Signed-off-by: Jordan Kim <jrkim@google.com>
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
---
 drivers/net/ethernet/google/gve/gve_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 41b21b527470..98ba981cd534 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -302,7 +302,7 @@ static void gve_rx_flip_buff(struct gve_rx_slot_page_info *page_info, __be64 *sl
 
 static bool gve_rx_can_flip_buffers(struct net_device *netdev)
 {
-	return PAGE_SIZE == 4096
+	return PAGE_SIZE >= 4096
 		? netdev->mtu + GVE_RX_PAD + ETH_HLEN <= PAGE_SIZE / 2 : false;
 }
 
-- 
2.33.0.882.g93a45727a2-goog

v2: Unchanged

  parent reply	other threads:[~2021-10-11 15:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-11 15:36 [PATCH net-next v2 0/7] gve: minor code and performance improvements Jeroen de Borst
2021-10-11 15:36 ` [PATCH net-next v2 1/7] gve: Switch to use napi_complete_done Jeroen de Borst
2021-10-11 15:36 ` [PATCH net-next v2 2/7] gve: Add rx buffer pagecnt bias Jeroen de Borst
2021-10-11 15:36 ` [PATCH net-next v2 3/7] gve: Do lazy cleanup in TX path Jeroen de Borst
2021-10-11 15:36 ` [PATCH net-next v2 4/7] gve: Recover from queue stall due to missed IRQ Jeroen de Borst
2021-10-11 15:36 ` [PATCH net-next v2 5/7] gve: Add netif_set_xps_queue call Jeroen de Borst
2021-10-11 15:36 ` Jeroen de Borst [this message]
2021-10-11 15:36 ` [PATCH net-next v2 7/7] gve: Track RX buffer allocation failures Jeroen de Borst
2021-10-11 22:30 ` [PATCH net-next v2 0/7] gve: minor code and performance improvements patchwork-bot+netdevbpf

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