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San: Implement bump alloc

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The new allocator will be used to allocate guarded extents used as slabs
for guarded small allocations.
This commit is contained in:
Alex Lapenkou
2021-11-04 11:10:19 -07:00
committed by Alexander Lapenkov
parent 34b00f8969
commit 0f6da1257d
15 changed files with 521 additions and 107 deletions
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2
test/unit/retained.c
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@@ -104,7 +104,7 @@ TEST_BEGIN(test_retained) {
arena_ind = do_arena_create(NULL);
sz = nallocx(HUGEPAGE, 0);
size_t guard_sz = san_enabled() ? PAGE_GUARDS_SIZE : 0;
size_t guard_sz = san_enabled() ? SAN_PAGE_GUARDS_SIZE : 0;
esz = sz + sz_large_pad + guard_sz;
atomic_store_u(&epoch, 0, ATOMIC_RELAXED);