On Fri, Feb 19, 2021 at 09:36:58PM +0000, Richard W.M. Jones wrote: > BTW it's extremely hairy, racy and probably slow, but it seems > possible using mmap + mincore to determine which pages are resident, > and so in theory avoid using POSIX_FADV_DONTNEED for those pages.
As described here: https://insights.oetiker.ch/linux/fadvise/ Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org _______________________________________________ Libguestfs mailing list [email protected] https://listman.redhat.com/mailman/listinfo/libguestfs
