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NAMEmunmap - remove a mapping
SYNOPSISIn sys/mman.h Ft int Fn munmap void *addr size_t len
DESCRIPTIONThe Fn munmap system call deletes the mappings for the specified address range, and causes further references to addresses within the range to generate invalid memory references.
RETURN VALUESRv -std munmap
ERRORSThe Fn munmap system call will fail if:
- Bq Er EINVAL
- The Fa addr argument was not page aligned, the Fa len argument was zero or negative, or some part of the region being unmapped is outside the valid address range for a process.