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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Pingfan Liu <kernelfans@xxxxxxxxx>
Subject: Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Fri, 7 Dec 2018 08:53:22 +0100
Cc: Vlastimil Babka <vbabka@xxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
In-reply-to: <CAFgQCTuqn32_pZrLBDNvC_0Aepv2F7KF7rk2nAbxmYF45KfT2w@mail.gmail.com>
References: <CAFgQCTuyKBZdwWG=fOECE6J8DbZJsErJOyXTrLT0Kog3ec7vhw@mail.gmail.com> <20181205092148.GA1286@dhcp22.suse.cz> <CAFgQCTtj4m637tAzConCfeWQXSrWeNY-DLD5=f9-ZSmJMRe31Q@mail.gmail.com> <186b1804-3b1e-340e-f73b-f3c7e69649f5@suse.cz> <CAFgQCTv5-jeqwRVkJuDHvv0vq6uCzfdV2ZmVAU3eUzn2w2ReEQ@mail.gmail.com> <20181206082806.GB1286@dhcp22.suse.cz> <CAFgQCTsMdQSRFruZRGBuo30TjfiQ=sbrf9kUJAGgwN6uw+LsBw@mail.gmail.com> <CAFgQCTv7ADVW3WvB0tuqpL1U2MFGADA113MUm6ZmVcgvqyBfTA@mail.gmail.com> <20181206121152.GH1286@dhcp22.suse.cz> <CAFgQCTuqn32_pZrLBDNvC_0Aepv2F7KF7rk2nAbxmYF45KfT2w@mail.gmail.com>
User-agent: Mutt/1.10.1 (2018-07-13)

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

Follow-Ups:
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu

References:
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Michal Hocko
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Vlastimil Babka
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Michal Hocko
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Michal Hocko
- Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
  - From: Pingfan Liu

Prev by Date: Re: use generic DMA mapping code in powerpc V4
Next by Date: Re: [PATCH v5 2/3] iommu/io-pgtable-arm-v7s: Request DMA32 memory, and improve debugging
Previous by thread: Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
Next by thread: Re: [PATCH] mm/alloc: fallback to first node if the wanted node offline
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]