linux-kernel - Re: [PATCH v9 01/12] x86/mm: setting fields in deferred pages

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Date:   Tue, 3 Oct 2017 11:07:54 -0400
From:   Pasha Tatashin <pasha.tatashin@...cle.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-mm@...ck.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        x86@...nel.org, kasan-dev@...glegroups.com, borntraeger@...ibm.com,
        heiko.carstens@...ibm.com, davem@...emloft.net,
        willy@...radead.org, ard.biesheuvel@...aro.org,
        mark.rutland@....com, will.deacon@....com, catalin.marinas@....com,
        sam@...nborg.org, mgorman@...hsingularity.net,
        steven.sistare@...cle.com, daniel.m.jordan@...cle.com,
        bob.picco@...cle.com
Subject: Re: [PATCH v9 01/12] x86/mm: setting fields in deferred pages

Hi Michal,

> 
> I hope I haven't missed anything but it looks good to me.
> 
> Acked-by: Michal Hocko <mhocko@...e.com>

Thank you for your review.

> 
> one nit below
>> ---
>>   arch/x86/mm/init_64.c | 9 +++++++--
>>   1 file changed, 7 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
>> index 5ea1c3c2636e..30fe22558720 100644
>> --- a/arch/x86/mm/init_64.c
>> +++ b/arch/x86/mm/init_64.c
>> @@ -1182,12 +1182,17 @@ void __init mem_init(void)
>>   
>>   	/* clear_bss() already clear the empty_zero_page */
>>   
>> -	register_page_bootmem_info();
>> -
>>   	/* this will put all memory onto the freelists */
>>   	free_all_bootmem();
>>   	after_bootmem = 1;
>>   
>> +	/* Must be done after boot memory is put on freelist, because here we
> 
> standard code style is to do
> 	/*
> 	 * text starts here

OK, will change for both patch 1 and 2.

Pasha