xref: /freebsd/contrib/jemalloc/src/bin_info.c (revision c43cad87172039ccf38172129c79755ea79e6102)
1*c43cad87SWarner Losh #include "jemalloc/internal/jemalloc_preamble.h"
2*c43cad87SWarner Losh #include "jemalloc/internal/jemalloc_internal_includes.h"
3*c43cad87SWarner Losh 
4*c43cad87SWarner Losh #include "jemalloc/internal/bin_info.h"
5*c43cad87SWarner Losh 
6*c43cad87SWarner Losh bin_info_t bin_infos[SC_NBINS];
7*c43cad87SWarner Losh 
8*c43cad87SWarner Losh static void
9*c43cad87SWarner Losh bin_infos_init(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
10*c43cad87SWarner Losh     bin_info_t infos[SC_NBINS]) {
11*c43cad87SWarner Losh 	for (unsigned i = 0; i < SC_NBINS; i++) {
12*c43cad87SWarner Losh 		bin_info_t *bin_info = &infos[i];
13*c43cad87SWarner Losh 		sc_t *sc = &sc_data->sc[i];
14*c43cad87SWarner Losh 		bin_info->reg_size = ((size_t)1U << sc->lg_base)
15*c43cad87SWarner Losh 		    + ((size_t)sc->ndelta << sc->lg_delta);
16*c43cad87SWarner Losh 		bin_info->slab_size = (sc->pgs << LG_PAGE);
17*c43cad87SWarner Losh 		bin_info->nregs =
18*c43cad87SWarner Losh 		    (uint32_t)(bin_info->slab_size / bin_info->reg_size);
19*c43cad87SWarner Losh 		bin_info->n_shards = bin_shard_sizes[i];
20*c43cad87SWarner Losh 		bitmap_info_t bitmap_info = BITMAP_INFO_INITIALIZER(
21*c43cad87SWarner Losh 		    bin_info->nregs);
22*c43cad87SWarner Losh 		bin_info->bitmap_info = bitmap_info;
23*c43cad87SWarner Losh 	}
24*c43cad87SWarner Losh }
25*c43cad87SWarner Losh 
26*c43cad87SWarner Losh void
27*c43cad87SWarner Losh bin_info_boot(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS]) {
28*c43cad87SWarner Losh 	assert(sc_data->initialized);
29*c43cad87SWarner Losh 	bin_infos_init(sc_data, bin_shard_sizes, bin_infos);
30*c43cad87SWarner Losh }
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