romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-05-26 06:46:28 +03:00
Code Issues Projects Releases Packages Wiki Activity

Hide bin slab-locality query behind arena_locality_hint

Browse source 
bin_t is an arena implementation detail; tcache should not reach into
it. Extract the slab-address lookup into bin.c as bin_current_slab_addr,
and expose it to tcache only through arena_locality_hint(tsdn, arena,
szind), which composes bin_choose + bin_current_slab_addr.
This commit is contained in:
Slobodan Predolac 2026-05-05 10:00:04 -07:00
parent e286fba00a
commit 3c1c6ae419
6 changed files with 71 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/jemalloc/internal/arena_externs.h
View file

@ -111,6 +111,7 @@ arena_t *arena_choose_huge(tsd_t *tsd);
size_t arena_fill_small_fresh(tsdn_t *tsdn, arena_t *arena, szind_t binind,
void **ptrs, size_t nfill, bool zero);
bool arena_boot(sc_data_t *sc_data, base_t *base, bool hpa);
void *arena_locality_hint(tsdn_t *tsdn, arena_t *arena, szind_t szind);
void arena_prefork0(tsdn_t *tsdn, arena_t *arena);
void arena_prefork1(tsdn_t *tsdn, arena_t *arena);
void arena_prefork2(tsdn_t *tsdn, arena_t *arena);

3
include/jemalloc/internal/bin.h
View file

@ -95,6 +95,9 @@ bool bin_refill_slabcur_no_fresh_slab(tsdn_t *tsdn, bool is_auto,
void *bin_malloc_no_fresh_slab(tsdn_t *tsdn, bool is_auto, bin_t *bin,
szind_t binind);
/* Slab queries. */
void *bin_current_slab_addr(tsdn_t *tsdn, bin_t *bin);
/* Bin selection. */
bin_t *bin_choose(tsdn_t *tsdn, arena_t *arena, szind_t binind,
unsigned *binshard_p);