From: Hoan Tran OS <hoan@os.amperecomputing.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: Will Deacon <will@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
"open list:MEMORY MANAGEMENT" <linux-mm@kvack.org>,
Paul Mackerras <paulus@samba.org>,
"H . Peter Anvin" <hpa@zytor.com>,
"sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
Alexander Duyck <alexander.h.duyck@linux.intel.com>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
"x86@kernel.org" <x86@kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Vlastimil Babka <vbabka@suse.cz>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Open Source Submission <patches@amperecomputing.com>,
Pavel Tatashin <pavel.tatashin@microsoft.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Will Deacon <will.deacon@arm.com>, Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Oscar Salvador <osalvador@suse.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"David S . Miller" <davem@davemloft.net>,
"willy@infradead.org" <willy@infradead.org>
Subject: Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA
Date: Tue, 30 Jul 2019 17:31:27 +0000 [thread overview]
Message-ID: <d100011c-d5b4-a8c3-d3c0-d8f6dabd1363@os.amperecomputing.com> (raw)
In-Reply-To: <20190730081415.GN9330@dhcp22.suse.cz>
Hi,
On 7/30/19 1:14 AM, Michal Hocko wrote:
> [Sorry for a late reply]
>
> On Mon 15-07-19 17:55:07, Hoan Tran OS wrote:
>> Hi,
>>
>> On 7/12/19 10:00 PM, Michal Hocko wrote:
> [...]
>>> Hmm, I thought this was selectable. But I am obviously wrong here.
>>> Looking more closely, it seems that this is indeed only about
>>> __early_pfn_to_nid and as such not something that should add a config
>>> symbol. This should have been called out in the changelog though.
>>
>> Yes, do you have any other comments about my patch?
>
> Not really. Just make sure to explicitly state that
> CONFIG_NODES_SPAN_OTHER_NODES is only about __early_pfn_to_nid and that
> doesn't really deserve it's own config and can be pulled under NUMA.
Yes, I will add this info into the patch description.
>
>>> Also while at it, does HAVE_MEMBLOCK_NODE_MAP fall into a similar
>>> bucket? Do we have any NUMA architecture that doesn't enable it?
>>>
>>
>> As I checked with arch Kconfig files, there are 2 architectures, riscv
>> and microblaze, do not support NUMA but enable this config.
>>
>> And 1 architecture, alpha, supports NUMA but does not enable this config.
>
> Care to have a look and clean this up please?
Sure, I'll take a look.
Thanks
Hoan
>
next prev parent reply other threads:[~2019-07-30 17:32 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-11 23:25 [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA Hoan Tran OS
2019-07-11 23:25 ` [PATCH v2 1/5] " Hoan Tran OS
2019-07-11 23:25 ` [PATCH v2 2/5] powerpc: Kconfig: Remove CONFIG_NODES_SPAN_OTHER_NODES Hoan Tran OS
2019-07-11 23:25 ` [PATCH v2 3/5] x86: " Hoan Tran OS
2019-07-15 18:43 ` Thomas Gleixner
2019-08-06 16:47 ` Hoan Tran OS
2019-07-11 23:25 ` [PATCH v2 4/5] sparc: " Hoan Tran OS
2019-07-11 23:25 ` [PATCH v2 5/5] s390: " Hoan Tran OS
2019-07-12 2:45 ` [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA Matthew Wilcox
2019-07-12 7:02 ` Michal Hocko
2019-07-12 10:56 ` Hoan Tran OS
2019-07-12 12:12 ` Michal Hocko
2019-07-12 14:37 ` Will Deacon
2019-07-12 15:00 ` Michal Hocko
2019-07-15 17:55 ` Hoan Tran OS
2019-07-30 8:14 ` Michal Hocko
2019-07-30 17:31 ` Hoan Tran OS [this message]
2019-07-31 6:24 ` Mike Rapoport
2019-07-31 8:03 ` Michal Hocko
2019-07-31 11:14 ` Mike Rapoport
2019-07-31 11:40 ` Michal Hocko
2019-07-31 12:26 ` Mike Rapoport
2019-07-31 13:00 ` microblaze HAVE_MEMBLOCK_NODE_MAP dependency (was Re: [PATCH v2 0/5] mm: Enable CONFIG_NODES_SPAN_OTHER_NODES by default for NUMA) Michal Hocko
2019-07-31 14:21 ` Mike Rapoport
2019-07-31 14:41 ` Michal Hocko
2019-07-31 17:15 ` Mike Rapoport
2019-07-31 17:45 ` Randy Dunlap
2019-09-02 13:51 ` Michal Simek
2019-09-02 15:18 ` Mike Rapoport
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