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From: Michael Clark <michael@metaparadigm.com>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Kernel Newbies <kernelnewbies@nl.linux.org>
Subject: Re: How to invalidate pages mapped with nopage vm_operation
Date: Sun, 26 May 2002 19:18:34 +0800	[thread overview]
Message-ID: <3CF0C48A.8010608@metaparadigm.com> (raw)
In-Reply-To: <3CEE5281.5000802@metaparadigm.com>

I got no reply from kernel-newbies. Any one can help me?

Do I use zap_page_range() ?? This doesn't seem to be
exported to modules. Any ideas what to do?

~mc

On 05/24/02 22:47, Michael Clark wrote:

> Hi,
>
> I have a char driver that implements mmap by overriding the
> nopage vm_operation (rather than using remap_page_range).
>
> What it the correct way to invalidate these mappings
> so I will re-take a fault on the next access to the addresses
> previously mapped by my nopage function?
>
> ~mc
>
>
>
> -- 
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive:       http://mail.nl.linux.org/kernelnewbies/
> FAQ:           http://kernelnewbies.org/faq/
>



           reply	other threads:[~2002-05-26 11:18 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <3CEE5281.5000802@metaparadigm.com>]

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