netdev - [PATCH 5/5] NET : Reorder fields of struct dst

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Message-ID: <45CB98F7.1000902@cosmosbay.com>
Date:	Thu, 08 Feb 2007 22:41:11 +0100
From:	Eric Dumazet <dada1@...mosbay.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org
Subject: [PATCH 5/5] NET : Reorder fields of struct dst_entry

This last patch (but not least :) ) finally moves the next pointer at the end 
of struct dst_entry. This permits to perform route cache lookups with a 
minimal cost of one cache line per entry, instead of two.

Both 32bits and 64bits platforms benefit from this new layout.

Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

View attachment "reorder_struct_dst.patch" of type "text/plain" (1105 bytes)