Messages in this thread | | | Subject | Re: [PATCH v6] add MAP_UNLOCKED mmap flag | From | Minchan Kim <> | Date | Tue, 19 Jan 2010 23:07:23 +0900 |
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On Tue, 2010-01-19 at 09:52 +0200, Gleb Natapov wrote:
> In my case (virtualization) I want to test/profile guest under heavy swapping > of a guests memory, so I intentionally create memory shortage by creating
You mean "guest memory" that is area emulated DRAM in qemu? It is anonymous vma.
> guest much large then host memory, but I want system to swap out only > guest's memory.
Couldn't you use MADV_SEQUENTIAL on only guest memory area? It doesn't make side effect about readahead since it's anon area. And it would make do best effort to swap out guest's memory.
-- Kind regards, Minchan Kim
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