5 Jun
2012
5 Jun
'12
7:52 a.m.
On Mon, Jun 4, 2012 at 11:05 PM, KOSAKI Motohiro kosaki.motohiro@gmail.com wrote:
- On desktops, apps can drop their caches on demand if they want to
and can avoid swap activity?
In this case, fallocate(VOLATILE) is work more better.
For some cases, yes, but probably not for all.
For example, if userspace doesn't know about "about to swap real soon" condition, it can continue to grow its caches making fallocate(VOLATILE) pretty much useless.