Hi Jirka, Thanks for your answer, but I'm looking for a way to set RLIMIT_MEMLOCK without locking all VM memory. I'm wondering if there is a way to set RLIMIT_MEMLOCK without using the methods you wrote above.
Regards, Roy On Tue, Mar 15, 2016 at 8:02 PM, Jiri Denemark <[email protected]> wrote: > On Fri, Feb 19, 2016 at 23:37:57 +0200, Roy Shterman wrote: > > Yes, > > > > I tried also running it as root user and it also didn't worked. > > > > Do you know where libvirt (or QEMU) gets the value for process MEMLOCK? > > maybe i can change this value in libvirt code? > > You can change it by specifying /domain/memtune/hard_limit in domain > XML; see http://libvirt.org/formatdomain.html#elementsMemoryTuning > > Libvirt will use the hard_limit value for RLIMIT_MEMLOCK, but only if > needed. So it will be set only if any of the following is true: > - you are on PPC64 > - the /domain/memoryBacking/locked is set > - a VFIO device passthrough is used > - an RDMA migration is initiated. > > Jirka >
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