32 lines
1.2 KiB
Diff
32 lines
1.2 KiB
Diff
From: Arthur Kiyanovski <akiyano@amazon.com>
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Date: Thu, 11 Oct 2018 11:26:24 +0300
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Subject: [PATCH 10/19] net: ena: change rx copybreak default to reduce kernel
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memory pressure
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Origin: 87731f0c681c9682c5521e5197d89e561b7da395
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Improves socket memory utilization when receiving packets larger
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than 128 bytes (the previous rx copybreak) and smaller than 256 bytes.
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Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/amazon/ena/ena_netdev.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
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index 0cf35ae77884..d241dfc542ca 100644
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--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
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+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
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@@ -81,7 +81,7 @@
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#define ENA_DEFAULT_RING_SIZE (1024)
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#define ENA_TX_WAKEUP_THRESH (MAX_SKB_FRAGS + 2)
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-#define ENA_DEFAULT_RX_COPYBREAK (128 - NET_IP_ALIGN)
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+#define ENA_DEFAULT_RX_COPYBREAK (256 - NET_IP_ALIGN)
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/* limit the buffer size to 600 bytes to handle MTU changes from very
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* small to very large, in which case the number of buffers per packet
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--
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2.19.2
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