[#kernel-CacheSizes-block_tree_db]
= xref:kernel.adoc[kernel]::xref:kernel/CacheSizes.adoc[CacheSizes]::block_tree_db
:relfileprefix: ../../
:mrdocs:

Bytes reserved for the block tree database cache.

== Synopsis

Declared in `<kernel/caches.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t block_tree_db;
----


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