vfree
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## Name

vfree — release memory allocated by `vmalloc`

## Synopsis

`void vfree (` | void * | addr`)`;

## Arguments

`addr`

  memory base address

## Description

Free the virtually contiguous memory area starting at `addr`, as obtained from `vmalloc`, `vmalloc_32` or `__vmalloc`. If `addr` is NULL, no operation is performed.

Must not be called in interrupt context.

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