e904f813b4
This class removes almost all the dependencies on size_classes.h, accessing the data there only via the new module sc.h, which does not depend on any configuration options. In a subsequent commit, we'll remove the configure-time size class computations, doing them at boot time, instead.
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#include "jemalloc/internal/jemalloc_preamble.h"
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#include "jemalloc/internal/jemalloc_internal_includes.h"
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#include "jemalloc/internal/assert.h"
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#include "jemalloc/internal/bin.h"
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#include "jemalloc/internal/sc.h"
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#include "jemalloc/internal/witness.h"
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bin_info_t bin_infos[SC_NBINS];
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void
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bin_infos_init(sc_data_t *sc_data, bin_info_t bin_infos[SC_NBINS]) {
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for (unsigned i = 0; i < SC_NBINS; i++) {
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bin_info_t *bin_info = &bin_infos[i];
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sc_t *sc = &sc_data->sc[i];
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bin_info->reg_size = ((size_t)1U << sc->lg_base)
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+ ((size_t)sc->ndelta << sc->lg_delta);
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bin_info->slab_size = (sc->pgs << LG_PAGE);
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bin_info->nregs =
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(uint32_t)(bin_info->slab_size / bin_info->reg_size);
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bitmap_info_t bitmap_info = BITMAP_INFO_INITIALIZER(
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bin_info->nregs);
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bin_info->bitmap_info = bitmap_info;
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}
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}
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void
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bin_boot(sc_data_t *sc_data) {
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assert(sc_data->initialized);
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bin_infos_init(sc_data, bin_infos);
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}
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bool
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bin_init(bin_t *bin) {
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if (malloc_mutex_init(&bin->lock, "bin", WITNESS_RANK_BIN,
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malloc_mutex_rank_exclusive)) {
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return true;
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}
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bin->slabcur = NULL;
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extent_heap_new(&bin->slabs_nonfull);
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extent_list_init(&bin->slabs_full);
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if (config_stats) {
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memset(&bin->stats, 0, sizeof(bin_stats_t));
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}
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return false;
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}
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void
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bin_prefork(tsdn_t *tsdn, bin_t *bin) {
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malloc_mutex_prefork(tsdn, &bin->lock);
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}
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void
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bin_postfork_parent(tsdn_t *tsdn, bin_t *bin) {
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malloc_mutex_postfork_parent(tsdn, &bin->lock);
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}
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void
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bin_postfork_child(tsdn_t *tsdn, bin_t *bin) {
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malloc_mutex_postfork_child(tsdn, &bin->lock);
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}
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