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authorDavid Hildenbrand <david@redhat.com>2022-10-21 12:11:33 +0200
committerAndrew Morton <akpm@linux-foundation.org>2022-12-11 18:12:08 -0800
commit5036880efdad976165c817dcb6a1c8c24fb16caa (patch)
tree37eab8cf717196e449bb787686a2046e30467a45 /mm
parentc31783eeae7b22dc3f6edde7339de6112959225d (diff)
downloadlinux-5036880efdad976165c817dcb6a1c8c24fb16caa.tar.bz2
selftests/vm: add test to measure MADV_UNMERGEABLE performance
Let's add a test to measure performance of KSM breaking not triggered via COW, but triggered by disabling KSM on an area filled with KSM pages via MADV_UNMERGEABLE. Link: https://lkml.kernel.org/r/20221021101141.84170-2-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Peter Xu <peterx@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Shuah Khan <shuah@kernel.org> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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