From: Hugh Dickins <hugh@veritas.com>
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 20:38:51 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.61.0506212037080.7385@goblin.wat.veritas.com> (raw)
In-Reply-To: <42B85AB4.7030401@ammasso.com>
On Tue, 21 Jun 2005, Timur Tabi wrote:
>
> In this case, when a process creates a new memory segment, I just want to know
> whether the pages with a non-zero refcount (because of the get_user_pages()
> call) can ever be used in a new shared memory segment.
>
> I'm assuming the answer is no, because that would defeat the purpose of
> refcount (right?).
Exactly right.
Hugh
next prev parent reply other threads:[~2005-06-21 19:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-21 15:10 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 [this message]
2005-06-21 19:43 ` Brice Goglin
2005-06-21 19:55 ` Timur Tabi
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