Re: [PATCH 29/33] autonuma: page_autonuma

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On Thu, 4 Oct 2012, Andrea Arcangeli wrote:

> Move the autonuma_last_nid from the "struct page" to a separate
> page_autonuma data structure allocated in the memsection (with
> sparsemem) or in the pgdat (with flatmem).

Note that there is a available word in struct page before the autonuma
patches on x86_64 with CONFIG_HAVE_ALIGNED_STRUCT_PAGE.

In fact the page_autonuma fills up the structure to nicely fit in one 64
byte cacheline.

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