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[HPA] Add ability to start page as huge and more flexibility for purging

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This commit is contained in:
Slobodan Predolac
2025-08-25 13:23:07 -07:00
committed by Guangli Dai
parent ace437d26a
commit a199278f37
20 changed files with 1231 additions and 116 deletions
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10
test/unit/hpdata.c
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@@ -5,7 +5,7 @@
TEST_BEGIN(test_reserve_alloc) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE, /* is_huge */ false);
/* Allocating a page at a time, we should do first fit. */
for (size_t i = 0; i < HUGEPAGE_PAGES; i++) {
@@ -57,7 +57,7 @@ TEST_END
TEST_BEGIN(test_purge_simple) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE, /* is_huge */ false);
void *alloc = hpdata_reserve_alloc(&hpdata, HUGEPAGE_PAGES / 2 * PAGE);
expect_ptr_eq(alloc, HPDATA_ADDR, "");
@@ -101,7 +101,7 @@ TEST_END
*/
TEST_BEGIN(test_purge_intervening_dalloc) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE, /* is_huge */ false);
/* Allocate the first 3/4 of the pages. */
void *alloc = hpdata_reserve_alloc(
@@ -164,7 +164,7 @@ TEST_BEGIN(test_purge_over_retained) {
size_t purge_size;
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE, /* is_huge */ false);
/* Allocate the first 3/4 of the pages. */
void *alloc = hpdata_reserve_alloc(
@@ -238,7 +238,7 @@ TEST_END
TEST_BEGIN(test_hugify) {
hpdata_t hpdata;
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE);
hpdata_init(&hpdata, HPDATA_ADDR, HPDATA_AGE, /* is_huge */ false);
void *alloc = hpdata_reserve_alloc(&hpdata, HUGEPAGE / 2);
expect_ptr_eq(alloc, HPDATA_ADDR, "");