On Mon, 18 Feb 2002, Linus Torvalds wrote:
> On Mon, 18 Feb 2002, Rik van Riel wrote:
> >
> > o page->zone is shrunk from a pointer to an index into a small
> > array of zones ... this means we have space for 3 more chars
> > in the struct page to other stuff (say, page->age)
>
> Why not put "page->zone" into the page flags instead?
The original reason it's not in page->flags is that the
rmap patch also has page->age.
Furthermore, the NUMA folks wanted the ability to have
quite a few zones.
> The patch looks good, it's just silly to say that you made "struct page"
> smaller, and then waste four bytes.
If you want I'll look into shoving the zone bits into
page->flags ...
regards,
Rik
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This archive was generated by hypermail 2b29 : Sat Feb 23 2002 - 21:00:18 EST