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| author | Jason Evans <jasone@canonware.com> | 2017-04-17 01:39:14 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2017-04-17 21:47:45 (GMT) |
| commit | 69aa5528091db805accc32af8d350f32b91bfd1a (patch) | |
| tree | 501143c9b97c9c11f847082f42c00a4016b7bb5a /include | |
| parent | 675701660cede59972707f60af32117023f91728 (diff) | |
| download | jemalloc-69aa5528091db805accc32af8d350f32b91bfd1a.zip jemalloc-69aa5528091db805accc32af8d350f32b91bfd1a.tar.gz jemalloc-69aa5528091db805accc32af8d350f32b91bfd1a.tar.bz2 | |
Allocate increasingly large base blocks.
Limit the total number of base block by leveraging the exponential
size class sequence, similarly to extent_grow_retained().
Diffstat (limited to 'include')
| -rw-r--r-- | include/jemalloc/internal/base_structs.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/jemalloc/internal/base_structs.h b/include/jemalloc/internal/base_structs.h index 13d5bd4..d79f38e 100644 --- a/include/jemalloc/internal/base_structs.h +++ b/include/jemalloc/internal/base_structs.h @@ -21,11 +21,18 @@ struct base_s { * User-configurable extent hook functions. Points to an * extent_hooks_t. */ - atomic_p_t extent_hooks; + atomic_p_t extent_hooks; /* Protects base_alloc() and base_stats_get() operations. */ malloc_mutex_t mtx; + /* + * Most recent size class in the series of increasingly large base + * extents. Logarithmic spacing between subsequent allocations ensures + * that the total number of distinct mappings remains small. + */ + pszind_t pind_last; + /* Serial number generation state. */ size_t extent_sn_next; |