netdev - [PATCH net-next] Removing the unused PAGE_USE

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Message-ID: <4991C46D.3030705@linux.vnet.ibm.com>
Date:	Tue, 10 Feb 2009 16:16:13 -0200
From:	Breno Leitao <leitao@...ux.vnet.ibm.com>
To:	netdev <netdev@...r.kernel.org>, e1000-devel@...ts.sourceforge.net
CC:	Jay Vosburgh <fubar@...ibm.com>
Subject: [PATCH net-next] Removing the unused PAGE_USE_COUNT() macro on ixgbe
 driver

Removing the unused PAGE_USE_COUNT() macro. Also removing the unused pages 
variable at ixgbe_configure_rx() function.

Signed-off-by: Breno Leitão <leitao@...ux.vnet.ibm.com>
Signed-off-by: Jay Vosburgh <fubar@...ibm.com>

----

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index a3572d1..8c32c18 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1553,9 +1553,6 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
 	IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(index), srrctl);
 }
 
-#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
-                           (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
-
 /**
  * ixgbe_configure_rx - Configure 8259x Receive Unit after Reset
  * @adapter: board private structure
@@ -1574,7 +1571,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 	                  0xA54F2BEC, 0xEA49AF7C, 0xE214AD3D, 0xB855AABE,
 	                  0x6A3E67EA, 0x14364D17, 0x3BED200D};
 	u32 fctrl, hlreg0;
-	u32 pages;
 	u32 reta = 0, mrqc;
 	u32 rdrxctl;
 	int rx_buf_len;
@@ -1604,8 +1600,6 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
 		hlreg0 |= IXGBE_HLREG0_JUMBOEN;
 	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
 
-	pages = PAGE_USE_COUNT(adapter->netdev->mtu);
-
 	rdlen = adapter->rx_ring[0].count * sizeof(union ixgbe_adv_rx_desc);
 	/* disable receives while setting up the descriptors */
 	rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
--
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