fix comment on cpu_register_physical_memory_offset
We don't require full pages in cpu_register_physical_memory,
except for RAM.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/exec.c b/exec.c
index aafd814..d9be575 100644
--- a/exec.c
+++ b/exec.c
@@ -2291,8 +2291,9 @@
} \
} while (0)
-/* register physical memory. 'size' must be a multiple of the target
- page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
+/* register physical memory.
+ For RAM, 'size' must be a multiple of the target page size.
+ If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
io memory page. The address used when calling the IO function is
the offset from the start of the region, plus region_offset. Both
start_addr and region_offset are rounded down to a page boundary
