On Thu, 21 Aug 2025 22:06:33 +0200 David Hildenbrand [off-list ref] wrote:

Let's reject unreasonable folio sizes early, where we can still fail.
We'll add sanity checks to prepare_compound_head/prepare_compound_page
next.

Is there a way to configure a system such that unreasonable folio sizes
would be possible? It would already be rather questionable.

If so, we'd probably want to bail out earlier, where we can avoid a
WARN and just report a proper error message that indicates where
something went wrong such that we messed up.

Signed-off-by: David Hildenbrand <redacted>

Acked-by: SeongJae Park <sj@kernel.org>


Thanks,
SJ

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