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/linux-master/tools/testing/selftests/mm/
H A Dsplit_huge_page_test.c89 char *one_page; local
93 one_page = memalign(pmd_pagesize, len);
94 if (!one_page)
97 madvise(one_page, len, MADV_HUGEPAGE);
100 one_page[i] = (char)i;
102 if (!check_huge_anon(one_page, 4, pmd_pagesize))
106 write_debugfs(PID_FMT, getpid(), (uint64_t)one_page,
107 (uint64_t)one_page + len, 0);
110 if (one_page[i] != (char)i)
114 if (!check_huge_anon(one_page,
123 char *one_page, *pte_mapped, *pte_mapped2; local
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