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Move empty slab tracking to the psset.

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We're moving towards a world in which purging decisions are less rigidly
enforced at a single-hugepage level.  In that world, it makes sense to keep
around some hpdatas which are not completely purged, in which case we'll need to
track them.
This commit is contained in:
David Goldblatt
2020-12-05 17:42:04 -08:00
committed by David Goldblatt
parent 99fc0717e6
commit bf64557ed6
10 changed files with 193 additions and 169 deletions
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6
test/unit/hpdata.c
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@@ -7,8 +7,6 @@ TEST_BEGIN(test_reserve_alloc) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_updating_set(&hpdata, true);
/* Allocating a page at a time, we should do first fit. */
for (size_t i = 0; i < HUGEPAGE_PAGES; i++) {
expect_true(hpdata_consistent(&hpdata), "");
@@ -61,8 +59,6 @@ TEST_BEGIN(test_purge_simple) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_updating_set(&hpdata, true);
void *alloc = hpdata_reserve_alloc(&hpdata, HUGEPAGE_PAGES / 2 * PAGE);
expect_ptr_eq(alloc, HPDATA_ADDR, "");
@@ -111,7 +107,6 @@ TEST_END
TEST_BEGIN(test_purge_intervening_dalloc) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_updating_set(&hpdata, true);
/* Allocate the first 3/4 of the pages. */
void *alloc = hpdata_reserve_alloc(&hpdata, 3 * HUGEPAGE_PAGES / 4 * PAGE);
@@ -165,7 +160,6 @@ TEST_END
TEST_BEGIN(test_hugify) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_updating_set(&hpdata, true);
void *alloc = hpdata_reserve_alloc(&hpdata, HUGEPAGE / 2);
expect_ptr_eq(alloc, HPDATA_ADDR, "");