Messages in this thread | | | Date | Sun, 24 Apr 2011 12:27:14 -0400 | From | John David Anglin <> | Subject | Re: [PATCH] convert parisc to sparsemem (was Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards) |
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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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