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SubjectRe: [PATCH] lz4: make LZ4HC_setExternalDict as non-static
On Fri, Sep 6, 2019 at 6:21 PM Denis Efremov <efremov@linux.com> wrote:
>
> Hi,
>
> > kbuild warns for exported static symbols. This one seems to
> > be meant as an external API but does not have any in-kernel
> > users:
> >
> > WARNING: "LZ4HC_setExternalDict" [vmlinux] is a static EXPORT_SYMBOL
> >
> > I suppose the function should not just get removed since it would
> > be nice to stay close to the upstream version of lz4hc, so just
> > make it global.
>
> I'm not sure what is better here. But just in case, I sent a different
> patch that removes EXPORT_SYMBOL from this function some time ago:
> https://lkml.org/lkml/2019/7/8/842
>
> I checked first that this functions is indeed static in the original lib[1]
> and this symbol is not used in kernel.
>
> [1] https://github.com/lz4/lz4/blob/dev/lib/lz4hc.c#L1054

Ah, good. Your patch is the better fix then.

Arnd

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