On 01/09/2014 08:35 AM, Jakub Jelinek wrote: > That would be fine for 1), but would mean 2). It is also fine to GC > allocate each structure individually, but some (like bb_reorder) are say > just 4 bytes long, so it might be overkill.
Hmm.. Perhaps define the whole structure as you do, but somewhere global enough that ggc-page.c can see it, and add to the extra_order_size_table? I don't know how much memory wastage there would be there, but I can't imagine it's as much as 0.5MB. r~
