David Howells <[email protected]> wrote:
> J. Bruce Fields <[email protected]> wrote:
>
> > Just curious--why? Are get_kernel_security(), etc., particularly
> > expensive?
>
> It involves a kmalloc(). That means an extra possibility for an error. Plus
> it may allow you to cache the result of checking whether, say, SELinux
> security labels are allowed to be set when passed over NFS (if such is
> possible).
Apart from that, though, no, it's not particularly expensive.
David
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