[#BloombergLP-bdlma-ConcurrentPoolAllocator-deallocate-01d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlma.adoc[bdlma]::xref:BloombergLP/bdlma/ConcurrentPoolAllocator.adoc[ConcurrentPoolAllocator]::deallocate
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Return the memory at the specified `address` back to this allocator. If `address` is 0, this method has no effect. The behavior is undefined unless `address` was allocated using this allocator and has not already been deallocated.

== Synopsis

Declared in `<bdlma_concurrentpoolallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
deallocate(void* address) override;
----


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