src/bin_info.c

#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.h"

#include "jemalloc/internal/bin_info.h"

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 infos[SC_NBINS]) {
	for (unsigned i = 0; i < SC_NBINS; i++) {
		bin_info_t *bin_info = &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;
	}
}

void
bin_info_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);
}