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--- base/allocator/partition_allocator/partition_bucket.cc.orig 2021-04-14 01:08:36 UTC
+++ base/allocator/partition_allocator/partition_bucket.cc
@@ -66,27 +66,33 @@ PartitionDirectMap(PartitionRoot<thread_safe>* root, i
metadata->extent.root = root;
// The new structures are all located inside a fresh system page so they
// will all be zeroed out. These DCHECKs are for documentation.
+#if !defined(OS_FREEBSD)
PA_DCHECK(!metadata->extent.super_page_base);
PA_DCHECK(!metadata->extent.super_pages_end);
PA_DCHECK(!metadata->extent.next);
+#endif
PA_DCHECK(PartitionPage<thread_safe>::FromPointerNoAlignmentCheck(slot) ==
&metadata->page);
auto* page = &metadata->page;
+#if !defined(OS_FREEBSD)
PA_DCHECK(!page->slot_span_metadata_offset);
PA_DCHECK(!page->slot_span_metadata.next_slot_span);
PA_DCHECK(!page->slot_span_metadata.num_allocated_slots);
PA_DCHECK(!page->slot_span_metadata.num_unprovisioned_slots);
PA_DCHECK(!page->slot_span_metadata.empty_cache_index);
+#endif
page->slot_span_metadata.bucket = &metadata->bucket;
auto* next_entry = new (slot) PartitionFreelistEntry();
page->slot_span_metadata.SetFreelistHead(next_entry);
+#if !defined(OS_FREEBSD)
PA_DCHECK(!metadata->bucket.active_slot_spans_head);
PA_DCHECK(!metadata->bucket.empty_slot_spans_head);
PA_DCHECK(!metadata->bucket.decommitted_slot_spans_head);
PA_DCHECK(!metadata->bucket.num_system_pages_per_slot_span);
PA_DCHECK(!metadata->bucket.num_full_slot_spans);
+#endif
metadata->bucket.slot_size = slot_size;
auto* map_extent = &metadata->direct_map_extent;
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