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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()
Date: Sun, 22 Jul 2018 20:37:06 +0200	[thread overview]
Message-ID: <20180722183706.GA7979@kroah.com> (raw)
In-Reply-To: <20180722173715.25327-1-zengzhaoxiu@163.com>

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

  reply	other threads:[~2018-07-22 18:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-22 17:37 [PATCH 1/1] lib: use sunday algorithm to do strstr() and strnstr() Zhaoxiu Zeng
2018-07-22 18:37 ` Greg Kroah-Hartman [this message]
2018-07-26 17:17   ` Zhaoxiu Zeng
2018-07-27  5:48     ` Zhaoxiu Zeng
2018-07-27 10:39       ` Andy Shevchenko
2018-07-28 14:02         ` Zhaoxiu Zeng
2018-07-28 14:38           ` Greg Kroah-Hartman
2018-07-29  7:37             ` Zhaoxiu Zeng

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