> >however, i agree that it isn't pretty to have ton of entries.
> >given most of in-kernel entries are of the same size,
> >i'm wondering about gathering them into large chunks.
> >(maybe it'd be better to have a framework like solaris vmem?)
> 
> a better allocator won't have the same effect, it will just be
> different.  the allocator is the same whether you merge or don't
> merge.  the only difference is the overhead of allocating when you
> need less map entries (there are less map entries to scan, and less
> memory consumed by them).  in the end, the map entries will still mean
> the same thing.

i don't see any reason to use the same vm_map_entry structure for
chunked blocks.

YAMAMOTO Takashi