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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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4
include/jemalloc/internal/base_structs.h
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@ -3,7 +3,7 @@
#include "jemalloc/internal/jemalloc_internal_types.h"
#include "jemalloc/internal/mutex.h"
#include "jemalloc/internal/size_classes.h"
#include "jemalloc/internal/sc.h"
/* Embedded at the beginning of every block of base-managed virtual memory. */
struct base_block_s {
@ -46,7 +46,7 @@ struct base_s {
base_block_t *blocks;
/* Heap of extents that track unused trailing space within blocks. */
extent_heap_t avail[NSIZES];
extent_heap_t avail[SC_NSIZES];
/* Stats, only maintained if config_stats. */
size_t allocated;