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reduce medium page block size to 64k to reducemem usage

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This commit is contained in:
Daan Leijen 2025-03-03 20:50:21 -08:00
parent ce74c905f8
commit c18a5537dc
3 changed files with 4 additions and 4 deletions
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2
src/bitmap.c
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@ -1560,7 +1560,7 @@ static inline bool mi_bbitmap_try_find_and_clear_generic(mi_bbitmap_t* bbitmap,
const mi_bfield_t cmap_entry = mi_atomic_load_relaxed(&bbitmap->chunkmap.bfields[cmap_idx]);
const size_t cmap_entry_cycle = (cmap_idx != cmap_acc ? MI_BFIELD_BITS : cmap_acc_bits);
size_t eidx = 0;
mi_bfield_cycle_iterate(cmap_entry, tseq%8, cmap_entry_cycle, eidx, Y)
mi_bfield_cycle_iterate(cmap_entry, tseq, cmap_entry_cycle, eidx, Y)
{
mi_assert_internal(eidx <= MI_BFIELD_BITS);

2
src/options.c
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@ -175,7 +175,7 @@ static mi_option_desc_t options[_mi_option_last] =
{ 0, UNINIT, MI_OPTION(max_vabits) }, // max virtual address space bits
{ MI_DEFAULT_PAGEMAP_COMMIT,
UNINIT, MI_OPTION(pagemap_commit) }, // commit the full pagemap upfront?
{ 0, UNINIT, MI_OPTION(page_commit_on_demand) }, // commit pages on-demand (2 disables this only on overcommit systems (like Linux))
{ 1, UNINIT, MI_OPTION(page_commit_on_demand) }, // commit pages on-demand (2 disables this only on overcommit systems (like Linux))
{ 16, UNINIT, MI_OPTION(page_reclaim_max) }, // don't reclaim pages if we already own N pages (in that size class)
};