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From: Andrew Morton <>
To: Vlastimil Babka <>
	Mel Gorman <>,
	Michal Hocko <>,
	David Rientjes <>,
	Joonsoo Kim <>,
Subject: Re: [PATCH] mm, page_alloc: do not break __GFP_THISNODE by zonelist reset
Date: Fri, 25 May 2018 12:43:00 -0700
Message-ID: <> (raw)
In-Reply-To: <>

On Fri, 25 May 2018 15:08:53 +0200 Vlastimil Babka <> wrote:

> we might consider this for 4.17 although I don't know if there's anything
> currently broken. Stable backports should be more important, but will have to
> be reviewed carefully, as the code went through many changes.
> BTW I think that also the ac->preferred_zoneref reset is currently useless if
> we don't also reset ac->nodemask from a mempolicy to NULL first (which we
> probably should for the OOM victims etc?), but I would leave that for a
> separate patch.

Confused.  If nothing is currently broken then why is a backport
needed?  Presumably because we expect breakage in the future?  Can you
expand on this?

  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-25 13:08 Vlastimil Babka
2018-05-25 19:43 ` Andrew Morton [this message]
2018-05-25 20:48   ` Vlastimil Babka
2018-05-28  9:55     ` Vlastimil Babka
2018-05-28  7:21   ` Michal Hocko
2018-05-28 10:00     ` Vlastimil Babka
2018-05-28  8:49 ` Mel Gorman

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