From: Arjan van de Ven <arjan@infradead.org>
To: "sej.kernel" <sej.kernel@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mlock into kernel module
Date: Fri, 12 May 2006 20:44:48 +0200 [thread overview]
Message-ID: <1147459488.3173.42.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <4464A819.2050706@gmail.com>
On Fri, 2006-05-12 at 17:22 +0200, sej.kernel wrote:
> Hello,
> I need to use mlock and munlock function into a kernel module. How so
> I call this system call from my module ?
no it's a bug if you need to do that
> I need to do this because I must use mlock in my software, but I can't
> use root or suser to start it. So mlock alwaays fail.
that's an rlimit thing, just fix the rlimit on your system.
Also if you want to do this for pinning hardware at a physical address
you have a really wrong design (mlock is the wrong api) which also
includes a security hole btw
next prev parent reply other threads:[~2006-05-12 18:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-12 15:22 sej.kernel
2006-05-12 15:52 ` linux-os (Dick Johnson)
2006-05-12 18:44 ` Arjan van de Ven [this message]
2006-05-12 19:08 ` Chris Wright
[not found] <6bHKI-6a8-9@gated-at.bofh.it>
[not found] ` <6bLbw-344-3@gated-at.bofh.it>
2006-05-15 8:35 ` sej
2006-05-15 17:26 ` Chris Wright
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