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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Thomas Garnier <thgarnie@google.com>
Cc: Linux-MM <linux-mm@kvack.org>
Subject: Re: mm: reorganize SLAB freelist randomization
Date: Mon, 6 Jun 2016 23:11:56 +0300	[thread overview]
Message-ID: <20160606201156.GB32247@mwanda> (raw)
In-Reply-To: <CAJcbSZEcW8u2Mx0awZO_8g38pnSAYfPR8e37oBEDPvFZQWv_fQ@mail.gmail.com>

On Mon, Jun 06, 2016 at 01:01:45PM -0700, Thomas Garnier wrote:
> No, the for loop is correct. Fisher-Yates shuffles algorithm is as follow:
> 
> -- To shuffle an array a of n elements (indices 0..n-1):
> for i from na??1 downto 1 do
>      j random integer such that 0 <= j <= i
>      exchange a[j] and a[i]
> 
> https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle

Thanks for looking at this.  :)

regards,
dan carpenter

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  reply	other threads:[~2016-06-06 20:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-06 19:52 mm: reorganize SLAB freelist randomization Dan Carpenter
2016-06-06 20:01 ` Thomas Garnier
2016-06-06 20:11   ` Dan Carpenter [this message]
2016-06-06 20:12     ` Thomas Garnier

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