From: Thomas Weißschuh.
> Sent: 31 January 2023 03:55
...
> I have another half-finished series that replaces the doubly-linked
> list_heads used by elf.h with a custom singly-linked list.
> This would save a few pointers per struct.
> 
> Do you think this is worth it?

If you allocate the structures in blocks of (say) 256 you
can use an array of pointers to the blocks and then a
32bit index instead of a 64bit pointer.

For real space-saving you might decide that the index can
never exceed 2^^24 and use a bitfield!

	David

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