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Re: Are there still machines with PAGE_SHIFT 16 or larger ?



On Mon, Nov 9, 2020 at 9:41 PM Thomas Schmitt <scdbackup@gmx.net> wrote:
>
> Hi,
>
> by incident one of my other kernel adventures leads me here, although
> it might turn out to be off topic, as i know too few about powerpc.
>
> Are there machines in use which really have regular memory page size
> larger than 32 KiB ?

$ ssh gcc203 getconf PAGESIZE
65536
$ ssh gcc110 getconf PAGESIZE
65536
$ ssh gcc112 getconf PAGESIZE
65536
$ ssh gcc135 getconf PAGESIZE
65536

thouse gcc* machines are from 'gcc compile farm' [1] , ppc64 or ppc64le arch.

default pagesize on sparc64 is 8k, but i believe it supports a bigger
page sizes, please see [2]

1. https://cfarm.tetaneutral.net/machines/list/
2. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/sparc/mm/init_64.c?h=v5.10-rc3#n2766


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