108 static void verify_rss_anon_split_huge_page_all_zeroes(char *one_page, int nr_hpages, size_t len)  in verify_rss_anon_split_huge_page_all_zeroes()  argument
113 	if (!check_huge_anon(one_page, 4, pmd_pagesize))  in verify_rss_anon_split_huge_page_all_zeroes()
121 	write_debugfs(PID_FMT, getpid(), (uint64_t)one_page,  in verify_rss_anon_split_huge_page_all_zeroes()
122 		      (uint64_t)one_page + len, 0);  in verify_rss_anon_split_huge_page_all_zeroes()
125 		if (one_page[i] != (char)0)  in verify_rss_anon_split_huge_page_all_zeroes()
128 	if (!check_huge_anon(one_page, 0, pmd_pagesize))  in verify_rss_anon_split_huge_page_all_zeroes()
139 	char *one_page;  in split_pmd_zero_pages()  local
143 	one_page = allocate_zero_filled_hugepage(len);  in split_pmd_zero_pages()
144 	verify_rss_anon_split_huge_page_all_zeroes(one_page, nr_hpages, len);  in split_pmd_zero_pages()
146 	free(one_page);  in split_pmd_zero_pages()
151 	char *one_page;  in split_pmd_thp_to_order()  local
155 	one_page = memalign(pmd_pagesize, len);  in split_pmd_thp_to_order()
156 	if (!one_page)  in split_pmd_thp_to_order()
159 	madvise(one_page, len, MADV_HUGEPAGE);  in split_pmd_thp_to_order()
162 		one_page[i] = (char)i;  in split_pmd_thp_to_order()
164 	if (!check_huge_anon(one_page, 4, pmd_pagesize))  in split_pmd_thp_to_order()
168 	write_debugfs(PID_FMT, getpid(), (uint64_t)one_page,  in split_pmd_thp_to_order()
169 		(uint64_t)one_page + len, order);  in split_pmd_thp_to_order()
172 		if (one_page[i] != (char)i)  in split_pmd_thp_to_order()
176 	if (!check_huge_anon(one_page, 0, pmd_pagesize))  in split_pmd_thp_to_order()
180 	free(one_page);  in split_pmd_thp_to_order()
185 	char *one_page, *pte_mapped, *pte_mapped2;  in split_pte_mapped_thp()  local
206 	one_page = mmap((void *)(1UL << 30), len, PROT_READ | PROT_WRITE,  in split_pte_mapped_thp()
208 	if (one_page == MAP_FAILED)  in split_pte_mapped_thp()
211 	madvise(one_page, len, MADV_HUGEPAGE);  in split_pte_mapped_thp()
214 		one_page[i] = (char)i;  in split_pte_mapped_thp()
216 	if (!check_huge_anon(one_page, 4, pmd_pagesize))  in split_pte_mapped_thp()
220 	pte_mapped = mremap(one_page, pagesize, pagesize, MREMAP_MAYMOVE);  in split_pte_mapped_thp()
224 		pte_mapped2 = mremap(one_page + pmd_pagesize * i + pagesize * i,  in split_pte_mapped_thp()
261 	munmap(one_page, len);  in split_pte_mapped_thp()