[lkml]   [2002]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Calculating kernel logical address ..
On Monday 09 September 2002 19:23, David S. Miller wrote:
> From: "Richard B. Johnson" <>
> Date: Mon, 9 Sep 2002 13:29:42 -0400 (EDT)
> I think there is a virt_to_bus() macro and its inverse.
> Which is deprecate and not to be used by any new code.
> Use Documentation/DMA-mapping.txt instead.
> If you meant virt_to_phys(), this does not work on arbitrary
> kernel virtual addresses either only direct mapped ones
> (ie. kmalloc() or get_free_page() data).

In this case he starts with a kmalloc, then mmaps it somehow. Imran,
exactly what code do you use to mmap the kmalloced memory?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:28    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean