On 11/11/2009 11:14 PM, ykzhao wrote: > > In this patch the find_e820_area is used in the > acpi_reserve_wakeup_memory, which is called after initializing the > bootmem allocator. > Can we still use the find_e820_area after the bootmem allocator is > initialized? Obviously not: the bootmem allocator now thinks it owns memory, and it wouldn't know not to allocate something that is later claimed by find_e820_area. Problem. > It seems that the bootmem bitmap is also found by using the > find_e820_area. But we don't update the reserved_early array any more. > Maybe we will get the overlap address with the bootmem bitmap for the > wakeup code. Not just the bitmap, but any bootmem allocation could conflict... -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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
