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Date: Sat, 9 Dec 2000 04:32:21 -0800
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From: "David S. Miller" <davem@redhat.com>
To: kernel@tekno-soft.it
CC: rasmus@jaquet.dk, torvalds@transmeta.com, linux-kernel@vger.kernel.org
In-Reply-To: <4.3.2.7.2.20001209111347.00c829f0@mail.tekno-soft.it> (message
	from Roberto Fichera on Sat, 09 Dec 2000 11:25:09 +0100)
Subject: Re: [PATCH] mm->rss is modified without page_table_lock held
In-Reply-To: <4.3.2.7.2.20001209111347.00c829f0@mail.tekno-soft.it>
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   Date: 	Sat, 09 Dec 2000 11:25:09 +0100
   From: Roberto Fichera <kernel@tekno-soft.it>

   Why we couldn't use atomic_inc(&mm->rss) here and below, avoiding to wrap
   the inc with a spin_lock()/spin_unlock() ?

atomic_t does not guarentee a large enough range necessary for mm->rss

Later,
David S. Miller
davem@redhat.com
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