diff options
Diffstat (limited to 'deps/jemalloc/src/bin.c')
-rw-r--r-- | deps/jemalloc/src/bin.c | 73 |
1 files changed, 59 insertions, 14 deletions
diff --git a/deps/jemalloc/src/bin.c b/deps/jemalloc/src/bin.c index 0886bc4ea..bca6b12c3 100644 --- a/deps/jemalloc/src/bin.c +++ b/deps/jemalloc/src/bin.c @@ -1,23 +1,68 @@ #include "jemalloc/internal/jemalloc_preamble.h" #include "jemalloc/internal/jemalloc_internal_includes.h" +#include "jemalloc/internal/assert.h" #include "jemalloc/internal/bin.h" +#include "jemalloc/internal/sc.h" #include "jemalloc/internal/witness.h" -const bin_info_t bin_infos[NBINS] = { -#define BIN_INFO_bin_yes(reg_size, slab_size, nregs) \ - {reg_size, slab_size, nregs, BITMAP_INFO_INITIALIZER(nregs)}, -#define BIN_INFO_bin_no(reg_size, slab_size, nregs) -#define SC(index, lg_grp, lg_delta, ndelta, psz, bin, pgs, \ - lg_delta_lookup) \ - BIN_INFO_bin_##bin((1U<<lg_grp) + (ndelta<<lg_delta), \ - (pgs << LG_PAGE), (pgs << LG_PAGE) / ((1U<<lg_grp) + \ - (ndelta<<lg_delta))) - SIZE_CLASSES -#undef BIN_INFO_bin_yes -#undef BIN_INFO_bin_no -#undef SC -}; +bin_info_t bin_infos[SC_NBINS]; + +static void +bin_infos_init(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS], + bin_info_t bin_infos[SC_NBINS]) { + for (unsigned i = 0; i < SC_NBINS; i++) { + bin_info_t *bin_info = &bin_infos[i]; + sc_t *sc = &sc_data->sc[i]; + bin_info->reg_size = ((size_t)1U << sc->lg_base) + + ((size_t)sc->ndelta << sc->lg_delta); + bin_info->slab_size = (sc->pgs << LG_PAGE); + bin_info->nregs = + (uint32_t)(bin_info->slab_size / bin_info->reg_size); + bin_info->n_shards = bin_shard_sizes[i]; + bitmap_info_t bitmap_info = BITMAP_INFO_INITIALIZER( + bin_info->nregs); + bin_info->bitmap_info = bitmap_info; + } +} + +bool +bin_update_shard_size(unsigned bin_shard_sizes[SC_NBINS], size_t start_size, + size_t end_size, size_t nshards) { + if (nshards > BIN_SHARDS_MAX || nshards == 0) { + return true; + } + + if (start_size > SC_SMALL_MAXCLASS) { + return false; + } + if (end_size > SC_SMALL_MAXCLASS) { + end_size = SC_SMALL_MAXCLASS; + } + + /* Compute the index since this may happen before sz init. */ + szind_t ind1 = sz_size2index_compute(start_size); + szind_t ind2 = sz_size2index_compute(end_size); + for (unsigned i = ind1; i <= ind2; i++) { + bin_shard_sizes[i] = (unsigned)nshards; + } + + return false; +} + +void +bin_shard_sizes_boot(unsigned bin_shard_sizes[SC_NBINS]) { + /* Load the default number of shards. */ + for (unsigned i = 0; i < SC_NBINS; i++) { + bin_shard_sizes[i] = N_BIN_SHARDS_DEFAULT; + } +} + +void +bin_boot(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS]) { + assert(sc_data->initialized); + bin_infos_init(sc_data, bin_shard_sizes, bin_infos); +} bool bin_init(bin_t *bin) { |