ykzhao wrote: > On Wed, 2009-11-11 at 10:27 +0800, Yinghai Lu wrote: >> try to find_e820_area/reserve_early, and call acpi_reserve_memory early >> >> to get area is below 1M >> >> -v2: change function name to acpi_reserve_wakeup_memory according to Rafael > It seems that the function of find_e820_area is called in several > places. > >Initmem_init: bootmap = find_e820_area(0, end_pfn<<PAGE_SHIFT, > bootmap_size, PAGE_SIZE); > > If we also call it in the acpi_reserve_wakeup_memory, do we get the same > base address as that obtained in initmem_init? no. find_e820_area will check the reserve res array that could be updated by reserve_early. YH -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html