Re: [PATCH v4 16/20] tools/testing/selftests/mm: test anonymous page offset merge behaviour
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2026-08-11 20:08:39
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On Tue, 11 Aug 2026 18:07:36 +0100 "Lorenzo Stoakes (ARM)" [off-list ref] wrote:
quoted
"Fault in" is imprecise, as a read-fault won't do. "Trigger a CoW fault." might be better.Andrew - could you fix up? Thanks :)
np.
--- a/tools/testing/selftests/mm/merge.c~tools-testing-selftests-mm-test-anonymous-page-offset-merge-behaviour-fix
+++ a/tools/testing/selftests/mm/merge.c@@ -1324,7 +1324,7 @@ TEST_F(merge, anon_and_page_offset_misma ASSERT_NE(ptr, MAP_FAILED); /* - * Map another separately, and fault in, at page offset 5: + * Map another separately and trigger a CoW fault, at page offset 5: * * |-----------| |---------| * | unfaulted | | faulted |
_