diff options
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/memory.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index bd7fdd6081..af8ca7824e 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -2314,7 +2314,8 @@ bool address_space_access_valid(AddressSpace *as, hwaddr addr, hwaddr len, /* address_space_map: map a physical memory region into a host virtual address * * May map a subset of the requested range, given by and returned in @plen. - * May return %NULL if resources needed to perform the mapping are exhausted. + * May return %NULL and set *@plen to zero(0), if resources needed to perform + * the mapping are exhausted. * Use only for reads OR writes - not for read-modify-write operations. * Use cpu_register_map_client() to know when retrying the map operation is * likely to succeed. |