linux-kernel - Re: [v6 07/15] mm: defining memblock_virt_alloc_try_nid

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Message-ID: <545b7230-2c09-d2f9-f26a-05ef395c36d4@oracle.com>
Date:   Fri, 11 Aug 2017 11:58:46 -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,
        will.deacon@....com, catalin.marinas@....com, sam@...nborg.org
Subject: Re: [v6 07/15] mm: defining memblock_virt_alloc_try_nid_raw

On 08/11/2017 08:39 AM, Michal Hocko wrote:
> On Mon 07-08-17 16:38:41, Pavel Tatashin wrote:
>> A new variant of memblock_virt_alloc_* allocations:
>> memblock_virt_alloc_try_nid_raw()
>>      - Does not zero the allocated memory
>>      - Does not panic if request cannot be satisfied
> 
> OK, this looks good but I would not introduce memblock_virt_alloc_raw
> here because we do not have any users. Please move that to "mm: optimize
> early system hash allocations" which actually uses the API. It would be
> easier to review it that way.
> 
>> Signed-off-by: Pavel Tatashin <pasha.tatashin@...cle.com>
>> Reviewed-by: Steven Sistare <steven.sistare@...cle.com>
>> Reviewed-by: Daniel Jordan <daniel.m.jordan@...cle.com>
>> Reviewed-by: Bob Picco <bob.picco@...cle.com>
> 
> other than that
> Acked-by: Michal Hocko <mhocko@...e.com>

Sure, I could do this, but as I understood from earlier Dave Miller's 
comments, we should do one logical change at a time. Hence, introduce 
API in one patch use it in another. So, this is how I tried to organize 
this patch set. Is this assumption incorrect?