# std::pmr::unsynchronized_pool_resource::do_deallocate

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< cpp‎ | memory‎ | unsynchronized pool resource

virtual void do_deallocate(void* p, std::size_t bytes, std::size_t alignment); |  | (since C++17)

Returns the memory at `p` to the pool. It is unspecified if or under what circumstances this operation will result in a call to `deallocate()` on the upstream memory resource.

### Exceptions

Throws nothing.

### See also

deallocate | deallocates memory (public member function of `std::pmr::memory_resource`)
do_deallocate [virtual] | deallocates memory (virtual private member function of `std::pmr::memory_resource`)

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