Messages in this thread | | | Date | Thu, 9 Sep 2004 10:24:33 -0700 | From | William Lee Irwin III <> | Subject | Re: Q about pagecache data never written to disk |
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On Thu, Sep 09, 2004 at 11:32:01PM +1000, Nick Piggin wrote: > writeback isn't, but the pages will get marked dirty at unmap. > But I think I am wrong actually - I don't actually see why the > user would have to have the file open.
Dirty memory "limits" have no force as applied to mmap() IO, which is not a pretty state of affairs with respect to various attempts the VM makes at mitigating data structure proliferation associated with dirty data.
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