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Date: Thu, 1 Apr 2004 20:44:07 +0100
From: Christoph Hellwig <hch@infradead.org>
To: Sridhar Samudrala <sri@us.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: CONFIG_DEBUG_PAGEALLOC and virt_addr_valid()
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In-Reply-To: <Pine.LNX.4.58.0404011105120.1956@localhost.localdomain>; from sri@us.ibm.com on Thu, Apr 01, 2004 at 11:11:39AM -0800
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On Thu, Apr 01, 2004 at 11:11:39AM -0800, Sridhar Samudrala wrote:
> When CONFIG_DEBUG_PAGEALLOC is enabled, i am noticing that virt_addr_valid()
> (called from sctp_is_valid_kaddr()) is returning true even for freed objects.
> Is this a bug or expected behavior?

Generally every use of virt_addr_valid() is a bug.  What are you trying to
do?