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Fix extent_grow_next management.

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Fix management of extent_grow_next to serialize operations that may grow
retained memory.  This assures that the sizes of the newly allocated
extents correspond to the size classes in the intended growth sequence.

Fix management of extent_grow_next to skip size classes if a request is
too large to be satisfied by the next size in the growth sequence.  This
avoids the potential for an arbitrary number of requests to bypass
triggering extent_grow_next increases.

This resolves #858.
This commit is contained in:
Jason Evans
2017-05-26 11:06:01 -07:00
parent a16114866a
commit 168793a1c1
4 changed files with 221 additions and 158 deletions
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13
include/jemalloc/internal/witness.h
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@@ -41,13 +41,14 @@
#define WITNESS_RANK_DECAY 11U
#define WITNESS_RANK_TCACHE_QL 12U
#define WITNESS_RANK_EXTENTS 13U
#define WITNESS_RANK_EXTENT_FREELIST 14U
#define WITNESS_RANK_EXTENT_GROW 13U
#define WITNESS_RANK_EXTENTS 14U
#define WITNESS_RANK_EXTENT_AVAIL 15U
#define WITNESS_RANK_EXTENT_POOL 15U
#define WITNESS_RANK_RTREE 16U
#define WITNESS_RANK_BASE 17U
#define WITNESS_RANK_ARENA_LARGE 18U
#define WITNESS_RANK_EXTENT_POOL 16U
#define WITNESS_RANK_RTREE 17U
#define WITNESS_RANK_BASE 18U
#define WITNESS_RANK_ARENA_LARGE 19U
#define WITNESS_RANK_LEAF 0xffffffffU
#define WITNESS_RANK_ARENA_BIN WITNESS_RANK_LEAF