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SubjectRe: [Stable-review] [48/70] vmscan: all_unreclaimable() use zone->all_unreclaimable as a name
On Tue, 2011-04-19 at 13:08 -0700, Greg KH wrote:
> 2.6.38-stable review patch. If anyone has any objections, please let us know.
>
> ------------------
>
> From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
>
> commit 929bea7c714220fc76ce3f75bef9056477c28e74 upstream.
>
> all_unreclaimable check in direct reclaim has been introduced at 2.6.19
> by following commit.
>
> 2006 Sep 25; commit 408d8544; oom: use unreclaimable info
>
> And it went through strange history. firstly, following commit broke
> the logic unintentionally.
>
> 2008 Apr 29; commit a41f24ea; page allocator: smarter retry of
> costly-order allocations
[...]

So presumably this needs to be fixed in 2.6.32.y and other longterm
series as well. Though there seems to be a whole series of fixes
required in 2.6.32.y!

Are you going to look after that, or should someone else prepare
backports? (I'm certainly not volunteering - I don't have the VM
knowledge to work out what needs doing.)

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.


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