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

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Message-ID: <CAFgQCTsFBUcOE9UKQ2vz=hg2FWp_QurZMQmJZ2wYLBqXkFHKHQ@mail.gmail.com>
Date:   Fri, 7 Dec 2018 17:40:09 +0800
From:   Pingfan Liu <kernelfans@...il.com>
To:     mhocko@...nel.org
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, Dec 7, 2018 at 3:53 PM Michal Hocko <mhocko@...nel.org> wrote:
>
> 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?
>
Sure, I am glad to test you new patch.

Thanks,
Pingfan