ag71xx: Reduce NAPI weight to 32.
Qualcomm claims this reduces cache misses. Original commit message below: From: Ben Menchaca <ben.menchaca@qca.qualcomm.com> Date: Tue, 11 Jun 2013 12:18:46 -0500 Subject: [ag71xx] reduce NAPI weight In an attempt to increase our cache warmth, we are decreasing NAPI. This increases the warmth of the reused SKBs. Signed-off-by: Ben Menchaca <ben.menchaca@qca.qualcomm.com> Signed-off-by: Rosen Penev <rosenp@gmail.com>
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@ -40,7 +40,12 @@
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#define AG71XX_DRV_NAME "ag71xx"
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#define AG71XX_DRV_VERSION "0.5.35"
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#define AG71XX_NAPI_WEIGHT 64
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/*
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* For our NAPI weight bigger does *NOT* mean better - it means more
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* D-cache misses and lots more wasted cycles than we'll ever
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* possibly gain from saving instructions.
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*/
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#define AG71XX_NAPI_WEIGHT 32
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#define AG71XX_OOM_REFILL (1 + HZ/10)
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#define AG71XX_INT_ERR (AG71XX_INT_RX_BE | AG71XX_INT_TX_BE)
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