* Heiko Carstens <[email protected]> wrote:
> From: Heiko Carstens <[email protected]>
>
> __alloc_bootmem_low() and __alloc_bootmem_low_node() should use
> MAX_DMA_ADDRESS as limit which is per architecture instead of a global
> LOW32LIMIT. Otherwise the bootmem allocator may return addresses to
> memory regions which cannot be used for DMA access.
> -#define LOW32LIMIT 0xffffffff
> if ((ptr = __alloc_bootmem_core(bdata, size,
> - align, goal, LOW32LIMIT)))
> + align, goal, MAX_DMA_ADDRESS)))
but this limits things to 16MB on i686. Are you sure this wont break
anything?
Ingo
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