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This commit is contained in:
Daan Leijen 2022-11-22 22:05:18 -08:00
parent ed82aa90ea
commit 20880807ce
2 changed files with 2 additions and 11 deletions
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11
src/segment.c
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@ -316,7 +316,7 @@ static uint8_t* _mi_segment_page_start_from_slice(const mi_segment_t* segment, c
ptrdiff_t idx = slice - segment->slices;
size_t psize = (size_t)slice->slice_count * MI_SEGMENT_SLICE_SIZE;
// make the start not OS page aligned for smaller blocks to avoid page/cache effects
size_t start_offset = (xblock_size >= MI_INTPTR_SIZE && xblock_size <= 1024 ? MI_MAX_ALIGN_GUARANTEE : 0);
size_t start_offset = (xblock_size >= MI_INTPTR_SIZE && xblock_size <= 1024 ? 3*MI_MAX_ALIGN_GUARANTEE : 0);
if (page_size != NULL) { *page_size = psize - start_offset; }
return (uint8_t*)segment + ((idx*MI_SEGMENT_SLICE_SIZE) + start_offset);
}
@ -463,15 +463,6 @@ static void mi_segment_commit_mask(mi_segment_t* segment, bool conservative, uin
static bool mi_segment_commitx(mi_segment_t* segment, bool commit, uint8_t* p, size_t size, mi_stats_t* stats) {
mi_assert_internal(mi_commit_mask_all_set(&segment->commit_mask, &segment->decommit_mask));
// try to commit in at least MI_MINIMAL_COMMIT_SIZE sizes.
/*
if (commit && size > 0) {
const size_t csize = _mi_align_up(size, MI_MINIMAL_COMMIT_SIZE);
if (p + csize <= mi_segment_end(segment)) {
size = csize;
}
}
*/
// commit liberal, but decommit conservative
uint8_t* start = NULL;
size_t full_size = 0;