Re: [PATCH v4 16/20] tools/testing/selftests/mm: test anonymous page offset merge behaviour
Andrew Morton <[email protected]>
| Newsgroups | org.kernel.vger.linux-fsdevel,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-xe,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-s390,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 11 Aug 2026 18:07:36 +0100 "Lorenzo Stoakes (ARM)" <[email protected]> wrote: > > "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 | _