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authorDavid Hildenbrand <david@redhat.com>2023-04-22 22:54:19 +0200
committerAndrew Morton <akpm@linux-foundation.org>2023-05-02 17:21:49 -0700
commit1150ea9338554ee6685c9f8939cf7202bf5b27cf (patch)
treec2606d53bafc24c64881260100b02a0d9c87289f /mm
parent24139c07f413ef4b555482c758343d71392a19bc (diff)
selftests/ksm: ksm_functional_tests: add prctl unmerge test
Let's test whether setting PR_SET_MEMORY_MERGE to 0 after setting it to 1 will unmerge pages, similar to how setting MADV_UNMERGEABLE after setting MADV_MERGEABLE would. Link: https://lkml.kernel.org/r/20230422205420.30372-3-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Stefan Roesch <shr@devkernel.io> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Janosch Frank <frankja@linux.ibm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Rik van Riel <riel@surriel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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