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authorGabe Black <gblack@eecs.umich.edu>2006-03-29 17:40:09 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-03-29 17:40:09 -0500
commit2177d822ce1eecffb685f13468412c99b1e59ecd (patch)
tree4ae56528a80dcffacda85b6e4a1c5602c6f19652 /mem
parent1e4e989b8396b9f4f322fb27bbfa1cf9e2007334 (diff)
parent3dcb589ea46290ecfe2c2e54ebf2ba8921a932ed (diff)
downloadgem5-2177d822ce1eecffb685f13468412c99b1e59ecd.tar.xz
Merge m5.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmem --HG-- extra : convert_revision : 7866241cf43416636cbd6a3a4f6eeda561ed2e27
Diffstat (limited to 'mem')
-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. */