<s>
SLUB	B-Application
(	O
the	O
unqueued	O
slab	B-General_Concept
allocator	I-General_Concept
)	O
is	O
a	O
memory	B-General_Concept
management	I-General_Concept
mechanism	O
intended	O
for	O
the	O
efficient	O
memory	B-General_Concept
allocation	I-General_Concept
of	O
kernel	O
objects	O
which	O
displays	O
the	O
desirable	O
property	O
of	O
eliminating	O
fragmentation	B-Architecture
caused	O
by	O
allocations	O
and	O
deallocations	B-General_Concept
.	O
</s>
<s>
It	O
is	O
used	O
in	O
Linux	B-Application
and	O
became	O
the	O
default	O
allocator	O
since	O
2.6.23	O
.	O
</s>
