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SubjectRe: [PATCH] tmpfs: fix mount mpol nodelist parsing
Hugh Dickins <hugh@veritas.com> wrote:
>
> Move the mpol= parsing to shmem_parse_mpol under CONFIG_NUMA, reject
> all its options as invalid if not NUMA.

That's a bit irritating, really. It means that userspace needs to be
different for NUMA kernels (or more different, which is still bad). Boot
into a non-NUMA kernel and whoops, no tmpfs and quite possibly no boot.
But last time I whined about this Albert had a list of fairly
reasonable-sounding reasons why filesystems shouldn't silently accept
not-understood options.

But in this case, we _do_ understand them. We're just not going to do
anything about them.

I just wonder if we're being as friendly as we possibly can be to admins
and distro-makers.

[ Vaguely suprised that tmpfs isn't using match_token()... ]
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