From: sreekanth reddy <reddy_cdi@yahoo.com>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: linux-mm@kvack.org
Subject: Re: remap_page_range() beyond 4GB
Date: Fri, 4 Oct 2002 08:23:43 -0700 (PDT) [thread overview]
Message-ID: <20021004152343.65188.qmail@web12801.mail.yahoo.com> (raw)
In-Reply-To: <20021004110300.B1269@redhat.com>
ben..
I want to map the contiguous physical pages (>4GB RAM)
that I've allocated into user space. I've also looked
into kmap(), kmap_high() that return kernel virtual
addresses k(addr)but how do I map kaddr into user
address space ? Thanks..
Sreekanth Reddy
--- Benjamin LaHaise <bcrl@redhat.com> wrote:
> On Fri, Oct 04, 2002 at 06:42:59AM -0700, sreekanth
> reddy wrote:
> > How can I "remap_page_range()" for physical
> addresses
> > beyond 4GB ? . remap_page_range()takes a 32 bit
> > (unsigned long) value which cannot address > 4GB
> > physical memory.
>
> What are you using remap_page_range() on? It should
> never be used on
> RAM.
>
> -ben
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prev parent reply other threads:[~2002-10-04 15:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-04 13:42 sreekanth reddy
2002-10-04 15:03 ` Benjamin LaHaise
2002-10-04 15:23 ` sreekanth reddy [this message]
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