Yinghai Lu wrote: > continue; > @@ -1409,8 +1409,10 @@ void __init e820_reserve_resources_late( > end = round_up(start, ram_alignment(start)); > if (start == end) > continue; > - reserve_region_with_split(&iomem_resource, start, > - end - 1, "RAM buffer"); > + if (end != (resource_size_t)end) > + continue; > + reserve_region_with_split(&iomem_resource, (resource_size_t)start, > + (resource_size_t)(end - 1), "RAM buffer"); > } > } > That doesn't quite look right; for one thing it doesn't handle the (admittedly somewhat unlikely) case of end pointing to the end of the address space. Something like: if (start > (resource_size_t)end-1) continue; ... should work better. -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-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html