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SubjectRe: [PATCH 1/3] lib: Introduce copy_from_back()
On Tue, Nov 10, 2020 at 03:16:01AM +0800, zengzhaoxiu@163.com wrote:
> From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
>
> Copying the matched bytes from the back output buffer is the
> key code of the LZ decompression algorithm which used by zlib, lzo, etc.
>
> This patch introduce the optimized copy_from_back function.
> The function will be used by later patches in this series.
>
> Optimization for a specific architecture will be available in the future.
>
> Signed-off-by: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>

Please use mandatory-y in include/asm-generic/Kbuild for the case where
we have a sensible default that only a few architectures want to
override.

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