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Date:	Tue, 13 Mar 2007 15:10:41 +0100
From:	Eric Dumazet <>
To:	Andi Kleen <>
Subject: Re: [PATCH] Shrink struct dst_entry a bit

On Tuesday 13 March 2007 14:48, Andi Kleen wrote:
> The ICMP rate limiting state can be shorts, we don't send that many ICMPs.
> Changing flags to short and reorder fields to be sorted by size to avoid
> holes. Move cold fields towards the end.

Nope, you cannot break the reordering I've done one month ago.;a=commit;h=1e19e02ca0c5e33ea73a25127dbe6c3b8fcaac4b

[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

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

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