Re: Interactivity regression since v3.11 in mm/vmscan.c

[Felipe Contreras]

On Thu, Jun 5, 2014 at 8:37 AM, Michal Hocko <mhocko@xxxxxxx> wrote:

> We had a similar report for opensuse. The common part was that there was
> an IO to a slow USB device going on.

Actually I've managed to narrow down my synthetic test, and all I need
is to copy a big file, and it even happens reading and writing to the
SSD (although the stall is less severe).

Here's the test:
http://pastie.org/9264124

Just pass a big file as the first argument.

I don't have much memory in this machine, so I guess running out of
memory is the trigger.

-- 
Felipe Contreras
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