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SC: Make some key size classes static.

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The largest small class, smallest large class, and largest large class may all
be needed down fast paths; to avoid the risk of touching another cache line, we
can make them available as constants.
This commit is contained in:
David Goldblatt
2018-07-11 16:05:58 -07:00
committed by David Goldblatt
parent 5112d9e5fd
commit 55e5cc1341
18 changed files with 129 additions and 96 deletions
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6
test/unit/stats.c
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@@ -33,7 +33,7 @@ TEST_BEGIN(test_stats_large) {
size_t sz;
int expected = config_stats ? 0 : ENOENT;
p = mallocx(sc_data_global.small_maxclass + 1, MALLOCX_ARENA(0));
p = mallocx(SC_SMALL_MAXCLASS + 1, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("epoch", NULL, NULL, (void *)&epoch, sizeof(epoch)),
@@ -74,7 +74,7 @@ TEST_BEGIN(test_stats_arenas_summary) {
uint64_t dirty_npurge, dirty_nmadvise, dirty_purged;
uint64_t muzzy_npurge, muzzy_nmadvise, muzzy_purged;
little = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
little = mallocx(SC_SMALL_MAXCLASS, MALLOCX_ARENA(0));
assert_ptr_not_null(little, "Unexpected mallocx() failure");
large = mallocx((1U << sc_data_global.lg_large_minclass),
MALLOCX_ARENA(0));
@@ -149,7 +149,7 @@ TEST_BEGIN(test_stats_arenas_small) {
no_lazy_lock(); /* Lazy locking would dodge tcache testing. */
p = mallocx(sc_data_global.small_maxclass, MALLOCX_ARENA(0));
p = mallocx(SC_SMALL_MAXCLASS, MALLOCX_ARENA(0));
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_d_eq(mallctl("thread.tcache.flush", NULL, NULL, NULL, 0),