From: Brice Goglin <Brice.Goglin@ens-lyon.org>
To: Timur Tabi <timur.tabi@ammasso.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: get_user_pages() and shared memory question
Date: Tue, 21 Jun 2005 21:43:45 +0200 [thread overview]
Message-ID: <42B86DF1.7000102@ens-lyon.org> (raw)
In-Reply-To: <42B82DF2.2050708@ammasso.com>
Le 21.06.2005 17:10, Timur Tabi a écrit :
> Let's say an application allocates some shared memory, and then calls
> into a driver which calls get_user_pages(). The driver exits without
> releasing the pages, so they now have a reference count on them.
Preventing the driver from doing this would probably be the
right solution here... If the driver called get_user_pages,
it is its responsibility to release the pages.
Brice
next prev parent reply other threads:[~2005-06-21 19:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-21 15:10 get_user_pages() and shared memory question Timur Tabi
2005-06-21 17:33 ` Roland Dreier
2005-06-21 18:02 ` Hugh Dickins
2005-06-21 18:21 ` Timur Tabi
2005-06-21 19:38 ` Hugh Dickins
2005-06-21 19:43 ` Brice Goglin [this message]
2005-06-21 19:55 ` Timur Tabi
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