273     ::android::base::unique_fd pagemap_fd(  in PageMap()
275     if (pagemap_fd == -1) {  in PageMap()
285     ssize_t bytes_read = pread64(pagemap_fd, pagemap->data(), bytes_to_read, start_addr);  in PageMap()
337     ::android::base::unique_fd pagemap_fd(GetPagemapFd(pid_));  in ReadMaps()
338     if (pagemap_fd == -1) {  in ReadMaps()
343         if (!ReadVmaStats(pagemap_fd.get(), vma, get_wss, use_pageidle, swap_only)) {  in ReadMaps()
356     ::android::base::unique_fd pagemap_fd(GetPagemapFd(pid_));  in FillInVmaStats()
357     if (pagemap_fd == -1) {  in FillInVmaStats()
361     if (!ReadVmaStats(pagemap_fd.get(), vma, get_wss_, false, false)) {  in FillInVmaStats()
369 bool ProcMemInfo::ReadVmaStats(int pagemap_fd, Vma& vma, bool get_wss, bool use_pageidle,  in ReadVmaStats()  argument
401             ssize_t bytes = pread64(pagemap_fd, page_cache.data(), total_bytes,  in ReadVmaStats()