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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6026B7081@saturn3.aculab.com> Date: Wed, 31 Oct 2012 09:48:09 -0000 From: "David Laight" <David.Laight@...LAB.COM> To: "Nicolas Ferre" <nicolas.ferre@...el.com>, HÃ¥vard Skinnemoen <havard@...nnemoen.net> Cc: <netdev@...r.kernel.org>, <manabian@...il.com>, <patrice.vilchez@...el.com>, <linux-kernel@...r.kernel.org>, <bhutchings@...arflare.com>, <plagnioj@...osoft.com>, <davem@...emloft.net>, <linux-arm-kernel@...ts.infradead.org> Subject: RE: [PATCH v3 06/10] net/macb: clean up ring buffer logic > return (TX_RING_SIZE - (bp->tx_head - bp->tx_tail) & (TX_RING_SIZE - 1)); Is equivalent to: return (bp->tx_tail - bp->tx_head) & (TX_RING_SIZE - 1)); David -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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