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Allow chunks to not be naturally aligned.

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Precisely size extents for huge size classes that aren't multiples of
chunksize.
This commit is contained in:
Jason Evans 2016-05-26 22:12:38 -07:00
parent 741967e79d
commit 4731cd47f7
11 changed files with 105 additions and 268 deletions
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16
test/integration/chunk.c
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@ -224,22 +224,6 @@ TEST_BEGIN(test_chunk)
do_dalloc = true;
do_decommit = false;
/* Test purge for partial-chunk huge allocations. */
if (huge0 * 2 > huge2) {
/*
* There are at least four size classes per doubling, so a
* successful xallocx() from size=huge2 to size=huge1 is
* guaranteed to leave trailing purgeable memory.
*/
p = mallocx(huge2, flags);
assert_ptr_not_null(p, "Unexpected mallocx() error");
did_purge = false;
assert_zu_eq(xallocx(p, huge1, 0, flags), huge1,
"Unexpected xallocx() failure");
assert_true(did_purge, "Expected purge");
dallocx(p, flags);
}
/* Test decommit for large allocations. */
do_decommit = true;
p = mallocx(large1, flags);