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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Christophe LEROY <christophe.leroy@c-s.fr>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Scott Wood <oss@buserror.net>,
	Nicholas Piggin <npiggin@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] powerpc/32: Fix hugepage allocation on 8xx at hint address
Date: Wed, 17 Jan 2018 10:53:41 +0530	[thread overview]
Message-ID: <87y3kxrrc2.fsf@linux.vnet.ibm.com> (raw)
In-Reply-To: <7341aef1-f2ac-6e9b-8279-93b0f0649b81@c-s.fr>

Christophe LEROY <christophe.leroy@c-s.fr> writes:

>>
>>> How should I split in separate patches ? Something like ?
>>> 1/ Slice support for PPC32 > 2/ Activate slice for 8xx
>> 
>> Yes something like that. Will you  be able to avoid that
>>   if (SLICE_NUM_HIGH) from the code? That makes the code ugly. Right now 
>> i don't have definite suggestion on what we could do though.
>> 
>
> Could use #ifdefs instead, but in my mind it would be even more ugly.
>
> I would have liked just doing nothing, but the issue is that at the 
> moment bitmap_xxx() functions are not prepared to handle bitmaps of size 
> zero. Should we try to change that ? Any chance to succeed ?
>

How much code duplication it is to do slice_32.c?

Michael,

What do you suggest here?

-aneesh

  reply	other threads:[~2018-01-17  5:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-05 16:44 [PATCH 1/3] powerpc/32: Fix hugepage allocation on 8xx at hint address Christophe Leroy
2018-01-05 16:44 ` [PATCH 2/3] powerpc/mm: Allow more than 16 low slices Christophe Leroy
2018-01-16 15:52   ` Aneesh Kumar K.V
2018-01-16 16:37     ` Christophe LEROY
2018-01-05 16:44 ` [PATCH 3/3] powerpc/8xx: Increase the number of mm slices Christophe Leroy
2018-01-16 15:53   ` Aneesh Kumar K.V
2018-01-16 16:16     ` Christophe LEROY
2018-01-16 15:49 ` [PATCH 1/3] powerpc/32: Fix hugepage allocation on 8xx at hint address Aneesh Kumar K.V
2018-01-16 16:31   ` Christophe LEROY
2018-01-16 16:41     ` Aneesh Kumar K.V
2018-01-16 16:57       ` Christophe LEROY
2018-01-17  5:23         ` Aneesh Kumar K.V [this message]
2018-01-17  9:47           ` Christophe LEROY
2018-01-16 16:43     ` Aneesh Kumar K.V
2018-01-16 16:53       ` Christophe LEROY

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