Your patch has been added to the PostgreSQL unapplied patches list at:
http://momjian.postgresql.org/cgi-bin/pgpatches
It will be applied as soon as one of the PostgreSQL committers reviews
and approves it.
---
Updated patch:
I went through the high traffic areas and levelled them up to using the new
macros to avoid detoasting smaller arguments. They key areas are really
btree operators since they have a noticeable effect on sorts, especially index
builds, when the data being sorted fits in memory.
I added a little-endian special-case using the low order bits as described by
Tom.
Also, I noticed that int2vector and oidvector are already flagged in pg_type
with attstorage == 'p'. Really any type with attstorage == 'p' should be
exempted from packed varlena handling since it isn't expecting
