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decommit unused prefix of large aligned blocks

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This commit is contained in:
daan 2022-11-07 16:41:40 -08:00
parent 27fc2cf17e
commit 2479d168ad
5 changed files with 63 additions and 28 deletions
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16
test/test-api.c
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@ -177,11 +177,17 @@ int main(void) {
};
CHECK_BODY("malloc-aligned9") {
bool ok = true;
for (int i = 0; i < 5 && ok; i++) {
int n = (1 << i);
void* p = mi_malloc_aligned( 2*n*MI_ALIGNMENT_MAX, n*MI_ALIGNMENT_MAX);
ok = ((uintptr_t)p % (n*MI_ALIGNMENT_MAX)) == 0;
mi_free(p);
void* p[8];
size_t sizes[8] = { 8, 512, 1024 * 1024, MI_ALIGNMENT_MAX, MI_ALIGNMENT_MAX + 1, 2 * MI_ALIGNMENT_MAX, 8 * MI_ALIGNMENT_MAX, 0 };
for (int i = 0; i < 28 && ok; i++) {
int align = (1 << i);
for (int j = 0; j < 8 && ok; j++) {
p[j] = mi_zalloc_aligned(sizes[j], align);
ok = ((uintptr_t)p[j] % align) == 0;
}
for (int j = 0; j < 8; j++) {
mi_free(p[j]);
}
}
result = ok;
};