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Date:   Sun, 22 Jul 2018 20:37:06 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Zhaoxiu Zeng <zengzhaoxiu@163.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Matthew Wilcox <mawilcox@microsoft.com>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        linux-kernel@vger.kernel.org, Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
Subject: Re: [PATCH 1/1] lib: use sunday algorithm to do strstr() and
 strnstr()
Message-ID: <20180722183706.GA7979@kroah.com>
References: <20180722173715.25327-1-zengzhaoxiu@163.com>
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On Mon, Jul 23, 2018 at 01:37:15AM +0800, Zhaoxiu Zeng wrote:
> From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
> 
> The Sunday algorithm is a variation of Boyer-Moore algorithm, it is easy and fast.
> For the Sunday algorithm, to see
> 	http://www.inf.fh-flensburg.de/lang/algorithmen/pattern/sundayen.htm

So you say, but what does this really buy us?  Why make this change?
How was it tested?  What is the downside of not taking this?

thanks,

greg k-h