selftests/mm/mremap_test.c

151 static bool is_range_mapped(FILE *maps_fp, unsigned long start,
159 	rewind(maps_fp);
161 	while (getline(&line, &len, maps_fp) != -1) {
237 static void mremap_expand_merge(FILE *maps_fp, unsigned long page_size)
260 	success = is_range_mapped(maps_fp, (unsigned long)start,
276 static void mremap_expand_merge_offset(FILE *maps_fp, unsigned long page_size)
300 	success = is_range_mapped(maps_fp, (unsigned long)start,
726 	FILE *maps_fp;
834 	maps_fp = fopen("/proc/self/maps", "r");
836 	if (maps_fp == NULL) {
841 	mremap_expand_merge(maps_fp, page_size);
842 	mremap_expand_merge_offset(maps_fp, page_size);
844 	fclose(maps_fp);