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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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17
src/hpdata.c
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@ -17,11 +17,10 @@ hpdata_age_comp(const hpdata_t *a, const hpdata_t *b) {
ph_gen(, hpdata_age_heap, hpdata_t, age_link, hpdata_age_comp)
void
hpdata_init(hpdata_t *hpdata, void *addr, uint64_t age) {
void hpdata_init(hpdata_t *hpdata, void *addr, uint64_t age, bool is_huge) {
hpdata_addr_set(hpdata, addr);
hpdata_age_set(hpdata, age);
hpdata->h_huge = false;
hpdata->h_huge = is_huge;
hpdata->h_alloc_allowed = true;
hpdata->h_in_psset_alloc_container = false;
hpdata->h_purge_allowed = false;
@ -34,8 +33,16 @@ hpdata_init(hpdata_t *hpdata, void *addr, uint64_t age) {
hpdata_longest_free_range_set(hpdata, HUGEPAGE_PAGES);
hpdata->h_nactive = 0;
fb_init(hpdata->active_pages, HUGEPAGE_PAGES);
hpdata->h_ntouched = 0;
fb_init(hpdata->touched_pages, HUGEPAGE_PAGES);
if (is_huge) {
fb_set_range(
hpdata->touched_pages, HUGEPAGE_PAGES, 0, HUGEPAGE_PAGES);
hpdata->h_ntouched = HUGEPAGE_PAGES;
} else {
fb_init(hpdata->touched_pages, HUGEPAGE_PAGES);
hpdata->h_ntouched = 0;
}
nstime_init_zero(&hpdata->h_time_purge_allowed);
hpdata->h_purged_when_empty_and_huge = false;
hpdata_assert_consistent(hpdata);
}