From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Wei Yang <richardw.yang@linux.intel.com>, linux-mm@kvack.org
Cc: akpm@linux-foundation.org, pasha.tatashin@oracle.com, osalvador@suse.de
Subject: Re: [PATCH] mm/sparse: set section nid for hot-add memory
Date: Mon, 17 Jun 2019 09:53:05 +0530 [thread overview]
Message-ID: <cd31db5d-65f9-c02c-bca3-d7c1c456e447@arm.com> (raw)
In-Reply-To: <20190616023554.19316-1-richardw.yang@linux.intel.com>
On 06/16/2019 08:05 AM, Wei Yang wrote:
> section_to_node_table[] is used to record section's node id, which is
> used in page_to_nid(). While for hot-add memory, this is missed.
Used for NODE_NOT_IN_PAGE_FLAGS case and it is missed for hot-added memory.
>
> BTW, current online_pages works because it leverages nid in memory_block.
It does.
> But the granularity of node id should be mem_section wide.
Right.
>
> Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
next prev parent reply other threads:[~2019-06-17 4:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-16 2:35 Wei Yang
2019-06-17 4:23 ` Anshuman Khandual [this message]
2019-06-17 8:46 ` Wei Yang
2019-06-17 13:13 ` David Hildenbrand
2019-06-18 0:36 ` Wei Yang
2019-06-17 15:43 ` Oscar Salvador
2019-06-18 0:45 ` Wei Yang
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