Hi Michael,
On Sunday 12 August 2007, Michael Bourgeous wrote:
> I'm working on a driver for older HDTV cards based on the TL880 chip.
> These cards typically have 16MB of their own memory, which is
> available to me over the PCI bus. Various functions of the card
> require me to manage this memory, allocating and freeing chunks of it
> as necessary. I can easily include my own allocation and management
> code,
Ok.
> but I'm sure this is a problem that has been solved before.
Yes!
in your Kconfig
select GENERIC_ALLOCATOR
in your driver.c
#include <linux/genalloc.h>
Code is in lib/genalloc.c, if you like to take a look.
Memory for MANAGING free/allocated space is NOT taken
from your on-card memory! That allocator is explicitly developed
for such use cases.
Happy hacking!
Best regards
Ingo Oeser
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