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From: "David S. Miller" <davem@davemloft.net>
To: sparclinux@vger.kernel.org
Subject: Re: size-differences of long(userspace) / long(kernel)
Date: Mon, 14 Feb 2005 16:43:51 +0000	[thread overview]
Message-ID: <20050214084351.74202405.davem@davemloft.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0502141648360.6890@l01.thnet>

On Mon, 14 Feb 2005 17:32:07 +0100
"Jurzitza, Dieter" <DJurzitza@harmanbecker.com> wrote:

> nevertheless we may run into space issues because structures may grow on their way from userland to kernel-country, thereby kmalloc() calls are subject to earlier failures, as the maximum size of allocable memory for kmalloc() remains the same.

We don't use kmalloc() always, in fact most often we use alloc_user_space()
(named compat_alloc_user_space()) so that the limits are the same.

  parent reply	other threads:[~2005-02-14 16:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-14 15:56 size-differences of long(userspace) / long(kernel) Michael Tautschnig
2005-02-14 16:13 ` David S. Miller
2005-02-14 16:32 ` Jurzitza, Dieter
2005-02-14 16:34 ` Michael Tautschnig
2005-02-14 16:43 ` David S. Miller [this message]
2005-02-15  3:40 ` Ben Collins
2005-02-18  8:19 ` Jurzitza, Dieter
2005-02-18 16:22 ` Jurzitza, Dieter

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