linux-kernel - Re: [PATCH v6 08/10] mm/memory_hotplug: Don't check for "all holes" in shrink_zone

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Message-ID: <00d040ca-1885-1b38-e3da-54276c37bc8e@redhat.com>
Date:   Wed, 5 Feb 2020 15:55:52 +0100
From:   David Hildenbrand <david@...hat.com>
To:     David Laight <David.Laight@...LAB.COM>,
        'Wei Yang' <richardw.yang@...ux.intel.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        Michal Hocko <mhocko@...e.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCH v6 08/10] mm/memory_hotplug: Don't check for "all holes"
 in shrink_zone_span()

On 05.02.20 15:54, David Laight wrote:
> From: Wei Yang
>> Sent: 05 February 2020 09:59
> ...
>> If it is me, I would like to take out these two similar logic out.
>>
>> For example:
>>
>> 	if () {
>> 	} else if () {
>> 	} else {
>> 		goto out;
>> 	}
> 
> I'm pretty sure the kernel layout rules disallow 'else if'.

Huh?

git grep "else if" | wc -l
49336

I'm afraid I don't get what you mean :)

-- 
Thanks,

David / dhildenb