but we have a macro in include/asm-i386/dma.h,
MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000).
if i change it to a higher value, i am able to get more dma
memory. Is there any way i can change this without compiling
the kernel?
Arjan van de Ven wrote:
> Vasu Varma P V wrote:
> >
> > Hi,
> >
> > Is there any limitation on DMA memory we can allocate using
> > kmalloc(size, GFP_DMA)? I am not able to acquire more than
> > 14MB of the mem using this on my PCI SMP box with 256MB ram.
> > I think there is restriction on ISA boards of 16MB.
> > Can we increase it ?
>
> Why?
> YOu don't have to allocate GFP_DMA memory for PCI cards!
> GFP_DMA is for ISA cards only
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This archive was generated by hypermail 2b29 : Sat Jul 07 2001 - 21:00:15 EST