31 static inline off64_t pfn_to_idle_bitmap_offset(uint64_t pfn) {  in pfn_to_idle_bitmap_offset()  argument
32     return static_cast<off64_t>((pfn >> 6) << 3);  in pfn_to_idle_bitmap_offset()
77 bool PageAcct::PageFlags(uint64_t pfn, uint64_t* flags) {  in PageFlags()  argument
84     if (pread64(kpageflags_fd_, flags, sizeof(uint64_t), pfn * sizeof(uint64_t)) < 0) {  in PageFlags()
85         PLOG(ERROR) << "Failed to read page flags for page " << pfn;  in PageFlags()
91 bool PageAcct::PageMapCount(uint64_t pfn, uint64_t* mapcount) {  in PageMapCount()  argument
98     if (pread64(kpagecount_fd_, mapcount, sizeof(uint64_t), pfn * sizeof(uint64_t)) < 0) {  in PageMapCount()
99         PLOG(ERROR) << "Failed to read map count for page " << pfn;  in PageMapCount()
105 int PageAcct::IsPageIdle(uint64_t pfn) {  in IsPageIdle()  argument
110     int idle_status = MarkPageIdle(pfn);  in IsPageIdle()
113     return GetPageIdle(pfn);  in IsPageIdle()
116 int PageAcct::MarkPageIdle(uint64_t pfn) const {  in MarkPageIdle()
117     off64_t offset = pfn_to_idle_bitmap_offset(pfn);  in MarkPageIdle()
119     uint64_t idle_bits = 1ULL << (pfn % 64);  in MarkPageIdle()
122         PLOG(ERROR) << "Failed to write page idle bitmap for page " << pfn;  in MarkPageIdle()
129 int PageAcct::GetPageIdle(uint64_t pfn) const {  in GetPageIdle()
130     off64_t offset = pfn_to_idle_bitmap_offset(pfn);  in GetPageIdle()
134         PLOG(ERROR) << "Failed to read page idle bitmap for page " << pfn;  in GetPageIdle()
138     return !!(idle_bits & (1ULL << (pfn % 64)));  in GetPageIdle()