On Mon, Dec 8, 2008 at 2:55 PM, Yuri Tikhonov <yur@xxxxxxxxxxx> wrote: > Using src_list argument of async_xor() as a storage for dma addresses > implies sizeof(dma_addr_t) <= sizeof(struct page *) restriction which is > not always true (e.g. ppc440spe). > ppc440spe runs with CONFIG_PHYS_64BIT? If we do this then we need to also change md to limit the number of allowed disks based on the kernel stack size. Because with 256 disks a 4K stack can be consumed by one call to async_pq ((256 sources in raid5.c + 256 sources async_pq.c) * 8 bytes per source on 64-bit). Regards, Dan -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
