[Bug 223015] [tmpfs] [patch] tmpfs does not support sparse files

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Mon Oct 23 08:41:18 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=223015

--- Comment #7 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Keith White from comment #5)
object->resident_page_fault is equally meaningless for your purposes.  What is
not clear in my comment #4 ?

The patch does not require any of these dynamic calculations using meaningless
(for this purpose) values.  If you want to limit the tmpfs mount memory use,
specify explicit limit to mount_tmpfs.  The attempts to mis-use some pagedaemon
or object internal counters would not work out, their purpose is very different
and they do not match with resource limiting for tmpfs.

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