efi: Improve logging around memmap init

Be more informative if memremap fails, and print out physical address
together with size. This change intends to make investigations of such
early failures slightly easier.

Signed-off-by: Bartosz Szczepanek <[email protected]>
Signed-off-by: Ard Biesheuvel <[email protected]>

Author: Bartosz Szczepanek

drivers/firmware/efi/memmap.c

@@ -43,7 +43,8 @@ int __init __efi_memmap_init(struct efi_memory_map_data *data)
 		map.map = early_memremap(phys_map, data->size);
 
 	if (!map.map) {
-		pr_err("Could not map the memory map!\n");
+		pr_err("Could not map the memory map! phys_map=%pa, size=0x%lx\n",
+			&phys_map, data->size);
 		return -ENOMEM;
 	}