Iram. How do you execute test_app?
1) synchronous test
1.1 start test_app
1.2 wait test_app job done (ie, wait memory is fragment)
1.3 echo 1 > /proc/sys/vm/compact_memory
2) asynchronous test
2.1 start test_app
2.2 not wait test_app job done
2.3 echo 1 > /proc/sys/vm/compact_memory(Maybe your test app and
compaction were executed parallel)
It's synchronous.
First I confirm that the test app has completed its fragmentation work
by looking at the printf output. Then only I run echo 1 >
/proc/sys/vm/compact_memory.
After completing fragmentation work, my test app sleeps in a useless while
loop
which I think is not important.
Thanks
Iram
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