linux-kernel - Re: [v6 14/15] mm: optimize early system hash allocations

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Message-ID: <8da9321c-769c-3319-8c02-3c91d86b221e@oracle.com>
Date:   Fri, 11 Aug 2017 12:13:13 -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 14/15] mm: optimize early system hash allocations

>> Clients can call alloc_large_system_hash() with flag: HASH_ZERO to specify
>> that memory that was allocated for system hash needs to be zeroed,
>> otherwise the memory does not need to be zeroed, and client will initialize
>> it.
>>
>> If memory does not need to be zero'd, call the new
>> memblock_virt_alloc_raw() interface, and thus improve the boot performance.
>>
>> 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>
> 
> OK, but as mentioned in the previous patch add memblock_virt_alloc_raw
> in this patch.
> 
> Acked-by: Michal Hocko <mhocko@...e.com>

Ok I will merge them.

Thank you,
Pasha