Re: [PATCH] anobjrmap 3/6 unchained

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On Thu, Mar 20, 2003 at 11:15:06PM +0000, Hugh Dickins wrote:
> Removed nr_reverse_maps, ReverseMaps: easily reverted if that
> poses a vmstat or meminfo compatibility problem, or someone is
> still interested in that number; but objrmap wasn't maintaining
> it, and if they don't occupy space, is it worth showing?
> Besides, look at page_dup_rmap for copy_page_range: I don't
> want to clutter that with inc_page_state(nr_reverse_maps).

It was mostly to determine space savings and internal fragmentation
on the pte_chain objects. It also helps get some notion of internal
fragmentation on pagetables. It's of low importance; delete at will.

-- wli
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