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psset stats: Simplify handling.

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We can treat the huge and nonhuge cases uniformly using huge state as an array
index.
This commit is contained in:
David Goldblatt 2020-12-03 18:32:42 -08:00 • committed by David Goldblatt
parent 94cd9444c5
commit 55e0f60ca1
5 changed files with 77 additions and 83 deletions
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21
include/jemalloc/internal/psset.h
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@ -26,25 +26,28 @@
typedef struct psset_bin_stats_s psset_bin_stats_t;
struct psset_bin_stats_s {
/* How many pageslabs are in this bin? */
size_t npageslabs_huge;
size_t npageslabs_nonhuge;
size_t npageslabs;
/* Of them, how many pages are active? */
size_t nactive_huge;
size_t nactive_nonhuge;
size_t nactive;
/* How many are inactive? */
size_t ninactive_huge;
size_t ninactive_nonhuge;
size_t ninactive;
};
/* Used only by CTL; not actually stored here (i.e., all derived). */
typedef struct psset_stats_s psset_stats_t;
struct psset_stats_s {
/*
* The second index is huge stats; nonfull_slabs[pszind][0] contains
* stats for the non-huge slabs in bucket pszind, while
* nonfull_slabs[pszind][1] contains stats for the huge slabs.
*/
psset_bin_stats_t nonfull_slabs[PSSET_NPSIZES][2];
/*
* Full slabs don't live in any edata heap. But we still track their
* stats.
*/
psset_bin_stats_t full_slabs;
psset_bin_stats_t nonfull_slabs[PSSET_NPSIZES];
psset_bin_stats_t full_slabs[2];
};
typedef struct psset_s psset_t;