Re: [QUICKLIST 2/6] i386: quicklist support

[William Lee Irwin III <wli@holomorphy.com>]

On Sat, Mar 10, 2007 at 06:09:34PM -0800, Christoph Lameter wrote:
> i386: Convert to quicklists
> Implement the i386 management of pgd and pmds using quicklists.

I approve, though it would be nice if ptes had an interface operating
on struct page * to use.


On Sat, Mar 10, 2007 at 06:09:34PM -0800, Christoph Lameter wrote:
> The i386 management of page table pages currently uses page sized slabs.
> The page state is therefore mainly determined by the slab code. However,
> i386 also uses its own fields in the page struct to mark special pages
> and to build a list of pgds using the ->private and ->index field (yuck!).
> This has been finely tuned to work right with SLAB but SLUB needs more
> control over the page struct. Currently the only way for SLUB to support
> these slabs is through special casing PAGE_SIZE slabs.
> If we use quicklists instead then we can avoid the mess, and also the
> overhead of manipulating page sized objects through slab.

Hey! I did quite well given the constraints under which I was operating.


-- wli