Re: [RFC 1/1] bootmem: move big allocations behing 4G

Jiri Slaby
2010-01-20T13:50:27Z

On 01/19/2010 03:33 PM, Johannes Weiner wrote:
> --- a/include/linux/bootmem.h
> +++ b/include/linux/bootmem.h
> @@ -96,20 +96,26 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
> unsigned long align,
> unsigned long goal);
>
> +#ifdef MAX_DMA32_PFN
> +#define BOOTMEM_DEFAULT_GOAL (__pa(MAX_DMA32_PFN << PAGE_SHIFT))
> +#else
> +#define BOOTMEM_DEFAULT_GOAL MAX_DMA_ADDRESS

I just noticed this should write:
#define BOOTMEM_DEFAULT_GOAL __pa(MAX_DMA_ADDRESS)

> +#endif
> +
> #define alloc_bootmem(x) \
> - __alloc_bootmem(x, SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
> + __alloc_bootmem(x, SMP_CACHE_BYTES, BOOTMEM_DEFAULT_GOAL)

--
js