netdev - Re: dst->obsolete has become pointless

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Message-Id: <20111109.142044.1307358041881082836.davem@davemloft.net>
Date:	Wed, 09 Nov 2011 14:20:44 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	steffen.klassert@...unet.com, netdev@...r.kernel.org,
	timo.teras@....fi
Subject: Re: dst->obsolete has become pointless

From: Joe Perches <joe@...ches.com>
Date: Wed, 09 Nov 2011 04:49:08 -0800

> On Tue, 2011-11-08 at 13:59 -0500, David Miller wrote:
>> net: Kill pointless and misleading checks on dst->obsolete.
> []
>> Therefore rename it to dst->freed, and make it take on only the values
>> "0" and "1".
>> diff --git a/include/net/dst.h b/include/net/dst.h
> []
>> @@ -55,7 +55,7 @@ struct dst_entry {
>>  #define DST_NOCOUNT		0x0020
>>  
>>  	short			error;
>> -	short			obsolete;
>> +	unsigned short		freed;
> 
> perhaps
> 	bool freed;
> 	bool __pad3;
> just to mark the available space a bit more obviously.

Hmmm, what is a bool's defined type anyways?  It is a char on every
architecture and ABI?
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