On 10.01.25 14:05, Thomas Weißschuh wrote:
When mapping a larger chunk than physical memory is available with
PROT_WRITE and overcommit is disabled, the mapping will fail.
This will prevent the test from running on systems with less then ~1GiB
of memory and triggering an inscrutinable test failure.
As the mappings are never written to anyways, the flag can be removed.
Fixes: 010409649885 ("selftests/mm: confirm VA exhaustion without reliance on correctness of mmap()")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
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I went with dropping PROT_WRITE instead of adding MAP_NORESERVE as this
works even in the face of OVERCOMMIT_NEVER.
Yes, makes sense, it's certainly simpler this way.
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
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Cheers,
David / dhildenb
