<s>
Transcedent	O
memory	B-General_Concept
is	O
a	O
Linux	B-Operating_System
kernel	I-Operating_System
feature	O
representing	O
a	O
class	O
of	O
memory	B-General_Concept
that	O
is	O
of	O
unknown	O
and	O
dynamically	O
variable	O
size	O
,	O
addressable	O
only	O
indirectly	O
by	O
the	O
kernel	B-Operating_System
,	O
configured	O
either	O
as	O
persistent	O
or	O
as	O
"	O
ephemeral	O
"	O
(	O
meaning	O
it	O
will	O
be	O
around	O
for	O
a	O
while	O
,	O
but	O
might	O
disappear	O
without	O
warning	O
)	O
,	O
and	O
is	O
still	O
fast	O
enough	O
to	O
be	O
synchronously	O
accessible	O
.	O
</s>
