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Maria Matejka 0f81b32da4 Slab: head now uses bitmask for used/free nodes info instead of lists
From now, there are no auxiliary pointers stored in the free slab nodes.
This led to strange debugging problems if use-after-free happened in
slab-allocated structures, especially if the structure's first member is
a next pointer.

This also reduces the memory needed by 1 pointer per allocated object.
OTOH, we now rely on pages being aligned to their size's multiple, which
is quite common anyway.
2020-07-23 20:58:04 +02:00
..
2019-10-11 00:18:38 +02:00
2000-06-07 12:29:08 +00:00