sysctl vfs.unmapped_bufspace

[Stanislav Zaharov]

Hi everyone!
Could you explain, what is the meaning of sysctl unmapped_bufspace?
Description says: "Amount of unmapped buffers, inclusive in the bufspace".
Is it possible to reuse these buffers (like free buffers), or they are
really busy buffers?

Thanks!

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Respectfully,
Stanislav Putrya
System & network administrator
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