linux-kernel - Re: [RFC][PATCH 7/18] kill useless checks in sparc mremap variants

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Message-Id: <20091205.183904.193687185.davem@davemloft.net>
Date:	Sat, 05 Dec 2009 18:39:04 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	viro@...IV.linux.org.uk
Cc:	viro@....linux.org.uk, linux-arch@...r.kernel.org,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 7/18] kill useless checks in sparc mremap variants

From: Al Viro <viro@...IV.linux.org.uk>
Date: Sun, 6 Dec 2009 01:13:32 +0000

> On Sat, Dec 05, 2009 at 03:09:41PM -0800, David Miller wrote:
>> From: Al Viro <viro@....linux.org.uk>
>> Date: Sat, 05 Dec 2009 19:08:50 +0000
>> 
>> > 
>> > Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
>> 
>> Acked-by: David S. Miller <davem@...emloft.net>
> 
> BTW, do we need sys32_mremap() after that?  The only difference between
> it and sys_mremap() that we have new_addr u32 in the former and u64 in
> the latter and IIRC the upper 32 bits of %i4 are going to be 0 anyway...

That's right, it should be superfluous now.
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