Hello Rik,
It seems that I have successfully hacked 2.4.25 rmap patch so that it
applies cleanly to 2.4.30 (that is, it compiles, boots and runs great
under normal conditions); How would I go for testing it and stress
testing it? It does survive the make -j of kernel (with lots of swap),
but, when I want to try and run ltp tests, it goes to a bad mood (i.e.
swapping out massively at first, then a dead silence)
Here is my ltp test run command:
./runltplite.sh -i 1024 -m 128 -p -q -l /tmp/result-rmap -d /home/0tmp/
It ends up forking a lot of loadgen processes that simply allocate
memory and use it (and CPU), so the system becomes unresponsive; It also
starts killing processes since it runs out of memory. I don't see any
hangs or panics, and the system responds to pings and Keyboard dump
commands, such as right-Alt+Scroll lock and similar ones, and looks it
is spending most of its time in page_launder() or thereabouts, swap and
physical memory both become full.
How do you test the rmap patches for correctness before offering them to
the people out there?
The patch is available from http://masoud.ir/patches/2.4.30-rmap15.patch
Thanks in advance,
Masoud Sharbiani
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