linux-kernel - Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline

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Message-ID: <20181207075322.GS1286@dhcp22.suse.cz>
Date:   Fri, 7 Dec 2018 08:53:22 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Pingfan Liu <kernelfans@...il.com>
Cc:     Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH] mm/alloc: fallback to first node if the wanted node
 offline

On Fri 07-12-18 10:56:51, Pingfan Liu wrote:
[...]
> In a short word, the fix method should consider about the two factors:
> semantic of online-node and the effect on all archs

I am pretty sure there is a lot of room for unification in this area.
Nevertheless I strongly believe the bug should be fixed firs with the
simplest way and all the cleanup should be done on top.

Do I get it right that the diff worked for you and I can prepare a full
patch?

-- 
Michal Hocko
SUSE Labs