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Hide size class computation behind a layer of indirection.

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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.
This commit is contained in:
David Goldblatt
2017-12-14 12:46:39 -08:00
committed by David Goldblatt
parent fb924dd7bf
commit e904f813b4
46 changed files with 886 additions and 459 deletions
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8
include/jemalloc/internal/bin.h
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@@ -1,10 +1,11 @@
#ifndef JEMALLOC_INTERNAL_BIN_H
#define JEMALLOC_INTERNAL_BIN_H
#include "jemalloc/internal/bin_stats.h"
#include "jemalloc/internal/extent_types.h"
#include "jemalloc/internal/extent_structs.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/bin_stats.h"
#include "jemalloc/internal/sc.h"
/*
* A bin contains a set of extents that are currently being used for slab
@@ -48,7 +49,7 @@ struct bin_info_s {
bitmap_info_t bitmap_info;
};
extern const bin_info_t bin_infos[NBINS];
extern bin_info_t bin_infos[SC_NBINS];
typedef struct bin_s bin_t;
@@ -78,6 +79,9 @@ struct bin_s {
bin_stats_t stats;
};
void bin_infos_init(sc_data_t *sc_data, bin_info_t bin_infos[SC_NBINS]);
void bin_boot();
/* Initializes a bin to empty. Returns true on error. */
bool bin_init(bin_t *bin);