summaryrefslogtreecommitdiff
path: root/mem/packet.hh
diff options
context:
space:
mode:
Diffstat (limited to 'mem/packet.hh')
-rw-r--r--mem/packet.hh6
1 files changed, 5 insertions, 1 deletions
diff --git a/mem/packet.hh b/mem/packet.hh
index ef28a7c9e..91e56385d 100644
--- a/mem/packet.hh
+++ b/mem/packet.hh
@@ -97,7 +97,11 @@ struct Packet
/** A pointer to the data being transfered. It can be differnt sizes
at each level of the heirarchy so it belongs in the packet,
- not request*/
+ not request.
+ This pointer may be NULL! If it isn't null when received by the producer
+ of data it refers to memory that has not been dynamically allocated.
+ Otherwise the producer should simply allocate dynamic memory to use.
+ */
PacketDataPtr data;
/** Indicates the size of the request. */