Thread (43 messages) 43 messages, 3 authors, 2006-08-31

Re: [PATCH 22/26] ixgb: Cache-align all TX components of the adapter struct.

From: Jeff Garzik <hidden>
Date: 2006-08-29 20:59:54

Eric Dumazet wrote:
On Tuesday 29 August 2006 18:45, Kok, Auke wrote:
quoted
 	/* TX */
-	struct ixgb_desc_ring tx_ring;
+	struct ixgb_desc_ring tx_ring ____cacheline_aligned;
 	unsigned long timeo_start;
On UP, this would only enlarge the size of structure and might consume more 
cache lines...

 I guess ____cacheline_aligned_in_smp is preferred here.

(see include/linux/netdevice.h)
Agreed.

	Jeff


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