Hello!

I think it's reasonable to raise the value, not sure how much, but
definitely should be higher.


Cheers,
Sylvia


On Tue, 2016-09-20 at 00:00 -0700, Thomas Daede wrote:
> > For Fedora Workstation, the current limit on mlock()ed memory per
user
> is 64kiB, which less than what some applications need.
> 
> In particular, Bitcoin Core uses mlock() to prevent private keys from
> > being swapped to disk. The total size of the wallet keys can exceed
300kB.
> 
> Audio is another use case that uses mlock() to prevent skips. Fedora
> > already has special cases for some apps such as jack, which it gives
4GB.
> 
> It looks like another custom rule was given to qemu recently:
> https://bugzilla.redhat.com/show_bug.cgi?id=1293024
> 
> The reason for the restriction is presumably an anti-DoS measure for
> multi-user systems. It's not really clear where the 64kiB value came
> from though - it seems like it could be much, much higher.
> 
> Thoughts on raising the value?
> 
> - Thomas
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