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track commit and is_large status more precisely

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daan 2019-08-28 11:58:30 -07:00
parent a551f3abc4
commit 9af51506a6
6 changed files with 57 additions and 38 deletions
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8
src/segment.c
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@ -326,8 +326,8 @@ static mi_segment_t* mi_segment_alloc(size_t required, mi_page_kind_t page_kind,
size_t page_size = (page_kind == MI_PAGE_HUGE ? segment_size : (size_t)1 << page_shift);
// Try to get it from our thread local cache first
bool eager = mi_option_is_enabled(mi_option_eager_commit);
bool commit = eager || (page_kind > MI_PAGE_MEDIUM);
bool lazy = (tld->count < mi_option_get(mi_option_lazy_commit));
bool commit = (!lazy && mi_option_is_enabled(mi_option_eager_commit)) || (page_kind > MI_PAGE_MEDIUM);
bool protection_still_good = false;
mi_segment_t* segment = mi_segment_cache_pop(segment_size, tld);
if (segment != NULL) {
@ -353,8 +353,8 @@ static mi_segment_t* mi_segment_alloc(size_t required, mi_page_kind_t page_kind,
else {
// Allocate the segment from the OS
size_t memid;
bool mem_large = (eager && !mi_option_is_enabled(mi_option_secure)); // only allow large OS pages once we are no longer lazy
segment = (mi_segment_t*)_mi_mem_alloc_aligned(segment_size, MI_SEGMENT_SIZE, commit, &mem_large, &memid, os_tld);
bool mem_large = (!lazy && !mi_option_is_enabled(mi_option_secure)); // only allow large OS pages once we are no longer lazy
segment = (mi_segment_t*)_mi_mem_alloc_aligned(segment_size, MI_SEGMENT_SIZE, &commit, &mem_large, &memid, os_tld);
if (segment == NULL) return NULL; // failed to allocate
if (!commit) {
// ensure the initial info is committed