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/linux/tools/testing/selftests/mm/
H A Dksm_functional_tests.c51 unsigned long offs_a, offs_b, pfn_a, pfn_b; in range_maps_duplicates() local
66 pfn_b = pagemap_get_pfn(pagemap_fd, addr + offs_b); in range_maps_duplicates()
67 if (pfn_b == -1ul || !pfn_b) in range_maps_duplicates()
69 if (pfn_a == pfn_b) in range_maps_duplicates()