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SubjectRe: [PATCH] convert parisc to sparsemem (was Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards)
On Sat, 23 Apr 2011, James Bottomley wrote:

> The boot sequence got a few seconds slower because now all of the loops
> over our pfn ranges actually have to skip through the holes (which takes
> time for 64GB).

On my rp3440, the biggest gap seems to be 265GB:

dave@mx3210:~$ cat /proc/iomem
00000000-3fffffff : System RAM
00000000-000009ff : PDC data (Page Zero)
00100000-004acfff : Kernel code
004ad000-00661fff : Kernel data
40000000-4fffffff : IOVA Space
100000000-27fdfffff : System RAM
4040000000-40ffffffff : System RAM
Dave
--
J. David Anglin dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)


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