Re: [PATCH v6 06/12] mm, s390: constify mapping related test/getter functions

From: David Hildenbrand
Date: Tue Sep 02 2025 - 04:05:21 EST


On 01.09.25 22:50, Max Kellermann wrote:
For improved const-correctness.

We select certain test functions which either invoke each other,
functions that are already const-ified, or no further functions.

It is therefore relatively trivial to const-ify them, which
provides a basis for further const-ification further up the call
stack.

(Even though seemingly unrelated, this also constifies the pointer
parameter of mmap_is_legacy() in arch/s390/mm/mmap.c because a copy of
the function exists in mm/util.c.)

Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
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Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers

David / dhildenb