diff options
Diffstat (limited to 'include/jemalloc/internal/arena.h')
| -rw-r--r-- | include/jemalloc/internal/arena.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/include/jemalloc/internal/arena.h b/include/jemalloc/internal/arena.h index f39ce54..ce4e602 100644 --- a/include/jemalloc/internal/arena.h +++ b/include/jemalloc/internal/arena.h @@ -191,6 +191,14 @@ struct arena_chunk_s { extent_node_t node; /* + * True if memory could be backed by transparent huge pages. This is + * only directly relevant to Linux, since it is the only supported + * platform on which jemalloc interacts with explicit transparent huge + * page controls. + */ + bool hugepage; + + /* * Map of pages within chunk that keeps track of free/large/small. The * first map_bias entries are omitted, since the chunk header does not * need to be tracked in the map. This omission saves a header page @@ -374,10 +382,12 @@ struct arena_s { dss_prec_t dss_prec; - /* Extant arena chunks. */ ql_head(extent_node_t) achunks; + /* Extent serial number generator state. */ + size_t extent_sn_next; + /* * In order to avoid rapid chunk allocation/deallocation when an arena * oscillates right on the cusp of needing a new chunk, cache the most @@ -453,9 +463,9 @@ struct arena_s { * orderings are needed, which is why there are two trees with the same * contents. */ - extent_tree_t chunks_szad_cached; + extent_tree_t chunks_szsnad_cached; extent_tree_t chunks_ad_cached; - extent_tree_t chunks_szad_retained; + extent_tree_t chunks_szsnad_retained; extent_tree_t chunks_ad_retained; malloc_mutex_t chunks_mtx; @@ -522,13 +532,13 @@ void arena_chunk_cache_maybe_remove(arena_t *arena, extent_node_t *node, extent_node_t *arena_node_alloc(tsdn_t *tsdn, arena_t *arena); void arena_node_dalloc(tsdn_t *tsdn, arena_t *arena, extent_node_t *node); void *arena_chunk_alloc_huge(tsdn_t *tsdn, arena_t *arena, size_t usize, - size_t alignment, bool *zero); + size_t alignment, size_t *sn, bool *zero); void arena_chunk_dalloc_huge(tsdn_t *tsdn, arena_t *arena, void *chunk, - size_t usize); + size_t usize, size_t sn); void arena_chunk_ralloc_huge_similar(tsdn_t *tsdn, arena_t *arena, void *chunk, size_t oldsize, size_t usize); void arena_chunk_ralloc_huge_shrink(tsdn_t *tsdn, arena_t *arena, - void *chunk, size_t oldsize, size_t usize); + void *chunk, size_t oldsize, size_t usize, size_t sn); bool arena_chunk_ralloc_huge_expand(tsdn_t *tsdn, arena_t *arena, void *chunk, size_t oldsize, size_t usize, bool *zero); ssize_t arena_lg_dirty_mult_get(tsdn_t *tsdn, arena_t *arena); @@ -601,6 +611,7 @@ void arena_stats_merge(tsdn_t *tsdn, arena_t *arena, unsigned *nthreads, unsigned arena_nthreads_get(arena_t *arena, bool internal); void arena_nthreads_inc(arena_t *arena, bool internal); void arena_nthreads_dec(arena_t *arena, bool internal); +size_t arena_extent_sn_next(arena_t *arena); arena_t *arena_new(tsdn_t *tsdn, unsigned ind); void arena_boot(void); void arena_prefork0(tsdn_t *tsdn, arena_t *arena); |