Re: Fix object re-hashing

Linus Torvalds [off-list ref] writes:

Anyway, if all this makes you nervous,...

I did draw an illustration like the one I sent in my previous
message when I received the first patch from Johannes, and it was
reasonably obvious to me that it was meant to redistribute about
half of the existing entries to the upper area, always going
upwards, so modulo that wraparound corner case you fixed, I
think doubling is fine.

Btw, as it currently stands, I worry a tiny tiny bit about the

	obj_allocs = (obj_allocs < 32 ? 32 : 2 * obj_allocs)

thing, because I think that second "32" needs to be a "64" to be really 
safe (ie guarantee that the new obj_allocs value is always at least twice 
the old one).

obj_allocs starts out as 0 so the first value it gets is 32 when
you need to insert the first element.