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Subject: Re: [PATCH v5 5/5] mm: page_alloc: reduce unnecessary binary search
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To:     Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc:     Russell King <linux@armlinux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
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        YASUAKI ISHIMATSU <yasu.isimatu@gmail.com>,
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        Linux-MM <linux-mm@kvack.org>, Jia He <jia.he@hxt-semitech.com>
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From:   Jia He <hejianet@gmail.com>
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Date:   Mon, 2 Apr 2018 16:15:09 +0800
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On 4/2/2018 3:00 PM, Ard Biesheuvel Wrote:
> How much does it improve the performance? And in which cases?
>
> I guess it improves boot time on systems with physical address spaces
> that are sparsely populated with DRAM, but you really have to quantify
> this if you want other people to care.
Yes, I write the performance in patch 0/5. I will write it in the patch 
description later.

-- 
Cheers,
Jia