On Jun 18, 2009, at 10:00 PM, Paul Mundt wrote:
On Thu, Jun 18, 2009 at 09:59:20PM -0500, Kumar Gala wrote:
On Jun 17, 2009, at 9:51 PM, Paul Mundt wrote:
On Wed, Jun 17, 2009 at 09:31:48AM -0500, Kumar Gala wrote:
One topic that was partially touched on was dealing with various
memories on embedded systems. We have several sram based
allocators
in the kernel for various different arch's:
- Blackfin sram allocator arch/blackfin/mm/sram-alloc.c
- Lite5200(b) sram allocator arch/powerpc/sysdev/bestcomm/sram.c
- AVR32 sram allocator arch/avr32/mach-at32ap/at32ap700x.c and
arch/
avr32/mach-at32ap/include/mach/sram.h
- Potential davinci sram allocator
There maybe others.
SH does this through NUMA on SRAM blocks that are anywhere from
128kB to
64MB. Some of our SMP configurations have upwards of a dozen of
these
blocks.
Do you really have that much on chip memory?
Is this really a serious question? If we didn't, I would not have
mentioned it.
It was. I'm not familiar with SH hardware so wasn't sure if there was
some other application you had for the multiple regions.
- k
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