Hi, Jim! Thank you very much for your great research!
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Hello.
I've got a scrip for systemtap and Linux kernel, that check if physical memory
is filled by zero after process dies. The scrip is attached.
The probe is set in the free_pages_bulk function, which frees number of memory
pages using _free_one_page. I can't set probe in _free_one_page,
You're actually asking multiple questions here, because in order
to verify if a particular operating system zero-fills memory pages
when they are freed from an address space, you'd need to first know
which kernel function is called to zero-fill the pages, right?
I created a simple DTrace script
