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Date:   Tue, 4 Dec 2018 06:54:53 +0000
From:   Wei Yang <richard.weiyang@gmail.com>
To:     Pingfan Liu <kernelfans@gmail.com>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
        Michal Hocko <mhocko@suse.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Mike Rapoport <rppt@linux.vnet.ibm.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH] mm/alloc: fallback to first node if the wanted node
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Reply-To: Wei Yang <richard.weiyang@gmail.com>
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On Tue, Dec 04, 2018 at 11:05:57AM +0800, Pingfan Liu wrote:
>During my test on some AMD machine, with kexec -l nr_cpus=x option, the
>kernel failed to bootup, because some node's data struct can not be allocated,
>e.g, on x86, initialized by init_cpu_to_node()->init_memory_less_node(). But
>device->numa_node info is used as preferred_nid param for

could we fix the preferred_nid before passed to
__alloc_pages_nodemask()?

BTW, I don't catch the function call flow to this point. Would you mind
giving me some hint?

-- 
Wei Yang
Help you, Help me