PA: Move in arena extent_sn counter.
Just another step towards making PA self-contained.
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@ -81,7 +81,6 @@ bool arena_retain_grow_limit_get_set(tsd_t *tsd, arena_t *arena,
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unsigned arena_nthreads_get(arena_t *arena, bool internal);
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void arena_nthreads_inc(arena_t *arena, bool internal);
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void arena_nthreads_dec(arena_t *arena, bool internal);
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size_t arena_extent_sn_next(arena_t *arena);
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arena_t *arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks);
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bool arena_init_huge(void);
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bool arena_is_huge(unsigned arena_ind);
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@ -121,13 +121,6 @@ struct arena_s {
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/* Synchronization: internal. */
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counter_accum_t prof_accum;
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/*
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* Extent serial number generator state.
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*
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* Synchronization: atomic.
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*/
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atomic_zu_t extent_sn_next;
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/*
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* Represents a dss_prec_t, but atomically.
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*
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@ -46,11 +46,15 @@ struct pa_shard_s {
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/* The grow info for the retained ecache. */
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ecache_grow_t ecache_grow;
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/* Extent serial number generator state. */
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atomic_zu_t extent_sn_next;
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pa_shard_stats_t *stats;
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};
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/* Returns true on error. */
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bool pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, base_t *base, unsigned ind,
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pa_shard_stats_t *stats);
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size_t pa_shard_extent_sn_next(pa_shard_t *shard);
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#endif /* JEMALLOC_INTERNAL_PA_H */
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@ -1979,11 +1979,6 @@ arena_nthreads_dec(arena_t *arena, bool internal) {
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atomic_fetch_sub_u(&arena->nthreads[internal], 1, ATOMIC_RELAXED);
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}
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size_t
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arena_extent_sn_next(arena_t *arena) {
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return atomic_fetch_add_zu(&arena->extent_sn_next, 1, ATOMIC_RELAXED);
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}
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arena_t *
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arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks) {
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arena_t *arena;
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@ -2032,8 +2027,6 @@ arena_new(tsdn_t *tsdn, unsigned ind, extent_hooks_t *extent_hooks) {
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}
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}
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atomic_store_zu(&arena->extent_sn_next, 0, ATOMIC_RELAXED);
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atomic_store_u(&arena->dss_prec, (unsigned)extent_dss_prec_get(),
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ATOMIC_RELAXED);
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@ -662,8 +662,9 @@ extent_grow_retained(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
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}
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edata_init(edata, ecache_ind_get(&arena->pa_shard.ecache_retained), ptr,
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alloc_size, false, SC_NSIZES, arena_extent_sn_next(arena),
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extent_state_active, zeroed, committed, true, EXTENT_IS_HEAD);
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alloc_size, false, SC_NSIZES,
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pa_shard_extent_sn_next(&arena->pa_shard), extent_state_active,
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zeroed, committed, true, EXTENT_IS_HEAD);
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if (extent_register_no_gdump_add(tsdn, edata)) {
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edata_cache_put(tsdn, &arena->pa_shard.edata_cache, edata);
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@ -816,8 +817,8 @@ extent_alloc_wrapper(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks,
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return NULL;
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}
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edata_init(edata, ecache_ind_get(&arena->pa_shard.ecache_dirty), addr,
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size, slab, szind, arena_extent_sn_next(arena), extent_state_active,
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*zero, *commit, true, EXTENT_NOT_HEAD);
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size, slab, szind, pa_shard_extent_sn_next(&arena->pa_shard),
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extent_state_active, *zero, *commit, true, EXTENT_NOT_HEAD);
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if (extent_register(tsdn, edata)) {
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edata_cache_put(tsdn, &arena->pa_shard.edata_cache, edata);
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return NULL;
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@ -155,9 +155,9 @@ extent_alloc_dss(tsdn_t *tsdn, arena_t *arena, void *new_addr, size_t size,
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if (gap_size_page != 0) {
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edata_init(gap, arena_ind_get(arena),
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gap_addr_page, gap_size_page, false,
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SC_NSIZES, arena_extent_sn_next(arena),
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extent_state_active, false, true, true,
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EXTENT_NOT_HEAD);
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SC_NSIZES, pa_shard_extent_sn_next(
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&arena->pa_shard), extent_state_active,
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false, true, true, EXTENT_NOT_HEAD);
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}
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/*
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* Compute the address just past the end of the desired
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7
src/pa.c
7
src/pa.c
@ -42,8 +42,15 @@ pa_shard_init(tsdn_t *tsdn, pa_shard_t *shard, base_t *base, unsigned ind,
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return true;
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}
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atomic_store_zu(&shard->extent_sn_next, 0, ATOMIC_RELAXED);
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shard->stats = stats;
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memset(shard->stats, 0, sizeof(*shard->stats));
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return false;
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}
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size_t
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pa_shard_extent_sn_next(pa_shard_t *shard) {
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return atomic_fetch_add_zu(&shard->extent_sn_next, 1, ATOMIC_RELAXED);
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}
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