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SC: Remove global data.

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The global data is mostly only used at initialization, or for easy access to
values we could compute statically.  Instead of consuming that space (and
risking TLB misses), we can just pass around a pointer to stack data during
bootstrapping.
This commit is contained in:
David Goldblatt 2018-07-19 17:08:10 -07:00 • committed by David Goldblatt
parent 4bc48718b2
commit 3aba072cef
16 changed files with 73 additions and 73 deletions
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6
src/sz.c
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@ -2,7 +2,7 @@
#include "jemalloc/internal/sz.h"
JEMALLOC_ALIGNED(CACHELINE)
size_t sz_pind2sz_tab[SC_NPSIZES_MAX+1];
size_t sz_pind2sz_tab[SC_NPSIZES+1];
static void
sz_boot_pind2sz_tab(const sc_data_t *sc_data) {
@ -15,7 +15,9 @@ sz_boot_pind2sz_tab(const sc_data_t *sc_data) {
pind++;
}
}
sz_pind2sz_tab[pind] = sc_data->large_maxclass + PAGE;
for (int i = pind; i <= (int)SC_NPSIZES; i++) {
sz_pind2sz_tab[pind] = sc_data->large_maxclass + PAGE;
}
}
JEMALLOC_ALIGNED(CACHELINE)