Linux: page faults and network filesystems
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by Alex B
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Published on 2010-06-14T00:22:08Z
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2010/06/14
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linux
|virtual-memory
If a Linux system runs out of physical memory, does it drop inactive executable code pages? I assume the answer is yes, since there is no reason to keep them in swap, so they are simply discarded and re-loaded if necessary (as far as I know, that's what FreeBSD does).
If the above is true for Linux, my question is, how does it handle executables run from network filesystems (e.g. NFS)? Does it go and fetch executable pages over the network if there is a page fault?
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