From: Wei Yang <richard.weiyang@gmail.com>
To: Wei Yang <richard.weiyang@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>,
willy@infradead.org, mhocko@suse.com, linux-mm@kvack.org,
akpm@linux-foundation.org
Subject: Re: [RFC] put page to pcp->lists[] tail if it is not on the same node
Date: Sun, 21 Oct 2018 02:36:37 +0000 [thread overview]
Message-ID: <20181021023637.v6d3jjo65hc3nn7t@master> (raw)
In-Reply-To: <20181020163318.72oqszgdtqfafycu@master>
On Sat, Oct 20, 2018 at 04:33:18PM +0000, Wei Yang wrote:
>>
>>I suspect it would eventually cause a crash or at least weirdness as the
>>page zone ids would not match due to different nodes.
>>
>
>If my analysis is correct, there are only two relationship between page
>node_id of those pages in pcp and the pcp's node_id, either the same or
>not.
>
>Let me have a try with qemu emulated numa system. :-)
>
Just run an emulated sytem with 4 numa nodes in qemu, the kernel with
this change looks good.
But nothing to be happy, just want you be informed.
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2018-10-21 2:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-19 4:33 [RFC] put page to pcp->lists[] tail if it is not on the same node Wei Yang
2018-10-19 8:38 ` Mel Gorman
2018-10-20 0:54 ` Wei Yang
2018-10-20 16:33 ` Wei Yang
2018-10-21 2:36 ` Wei Yang [this message]
2018-10-21 12:12 ` Mel Gorman
2018-10-22 1:24 ` Wei Yang
2018-10-19 13:43 ` Vlastimil Babka
2018-10-20 1:38 ` Wei Yang
2018-10-20 16:10 ` Wei Yang
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