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Move arena_decay_extent to extent module.

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David Goldblatt 2020-03-09 12:14:51 -07:00 • committed by David Goldblatt
parent 70d12ffa05
commit 22a0a7b93a
2 changed files with 25 additions and 24 deletions
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23
include/jemalloc/internal/arena_inlines_b.h
View file

@ -140,29 +140,6 @@ arena_decay_tick(tsdn_t *tsdn, arena_t *arena) {
arena_decay_ticks(tsdn, arena, 1);
}
/* Purge a single extent to retained / unmapped directly. */
JEMALLOC_ALWAYS_INLINE void
arena_decay_extent(tsdn_t *tsdn,arena_t *arena, ehooks_t *ehooks,
edata_t *edata) {
size_t extent_size = edata_size_get(edata);
extent_dalloc_wrapper(tsdn, arena, ehooks, edata);
if (config_stats) {
/* Update stats accordingly. */
LOCKEDINT_MTX_LOCK(tsdn, *arena->pa_shard.stats_mtx);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->decay_dirty.nmadvise, 1);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->decay_dirty.purged,
extent_size >> LG_PAGE);
locked_dec_zu(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->mapped, extent_size);
LOCKEDINT_MTX_UNLOCK(tsdn, *arena->pa_shard.stats_mtx);
}
}
JEMALLOC_ALWAYS_INLINE void *
arena_malloc(tsdn_t *tsdn, arena_t *arena, size_t size, szind_t ind, bool zero,
tcache_t *tcache, bool slow_path) {

26
src/extent.c
View file

@ -954,6 +954,30 @@ extent_try_coalesce_large(tsdn_t *tsdn, edata_cache_t *edata_cache,
edata, coalesced, growing_retained, true);
}
/* Purge a single extent to retained / unmapped directly. */
static void
extent_maximally_purge(tsdn_t *tsdn,arena_t *arena, ehooks_t *ehooks,
edata_t *edata) {
size_t extent_size = edata_size_get(edata);
extent_dalloc_wrapper(tsdn, arena, ehooks, edata);
if (config_stats) {
/* Update stats accordingly. */
LOCKEDINT_MTX_LOCK(tsdn, *arena->pa_shard.stats_mtx);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->decay_dirty.nmadvise, 1);
locked_inc_u64(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->decay_dirty.purged,
extent_size >> LG_PAGE);
locked_dec_zu(tsdn,
LOCKEDINT_MTX(*arena->pa_shard.stats_mtx),
&arena->pa_shard.stats->mapped, extent_size);
LOCKEDINT_MTX_UNLOCK(tsdn, *arena->pa_shard.stats_mtx);
}
}
/*
* Does the metadata management portions of putting an unused extent into the
* given ecache_t (coalesces, deregisters slab interiors, the heap operations).
@ -992,7 +1016,7 @@ extent_record(tsdn_t *tsdn, arena_t *arena, ehooks_t *ehooks, ecache_t *ecache,
arena_may_force_decay(arena)) {
/* Shortcut to purge the oversize extent eagerly. */
malloc_mutex_unlock(tsdn, &ecache->mtx);
arena_decay_extent(tsdn, arena, ehooks, edata);
extent_maximally_purge(tsdn, arena, ehooks, edata);
return;
}
}