Hi,

Christoph please check with Alt-SysRq-M if you have run out
of memory in a specific zone.

Christoph Rohland wrote:

MemFree:        182064 kB 
 - - -
Inact_dirty:   2793900 kB
Inact_clean:         0 kB

Rik, notice the imbalance between inactive dirty and
inactive clean...

In this kind of situation when will page_lauder run?

Christoph, can you put a printk in page_launder to
see if it ever runs? (There are a lot of && conditions
to fulfil before kflushd will start)

/RogerL

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