PFN_FLAGS_MASK 31 include/linux/pfn_t.h pfn_t pfn_t = { .val = pfn | (flags & PFN_FLAGS_MASK), }; PFN_FLAGS_MASK 54 include/linux/pfn_t.h return pfn.val & ~PFN_FLAGS_MASK; PFN_FLAGS_MASK 138 include/trace/events/fs_dax.h __entry->pfn_val & ~PFN_FLAGS_MASK, PFN_FLAGS_MASK 139 include/trace/events/fs_dax.h __print_flags_u64(__entry->pfn_val & PFN_FLAGS_MASK, "|",