On Wed, Jul 08, 2015 at 04:18:28PM +0200, Iago López Galeiras wrote: ... > > > That being said, I am curious... Is this interface so expensive that it > > really deserves a separate option, instead of always enabling it? This > > seems to be a fairly generic feature that a lot of scripts and tools > > could benefit from (starting with pstree I suppose.) > > I don't think I have enough information to answer that question. I'll CC > Cyrill > Gorcunov and Andrew Morton.
The interface is not expensive per-se but it was developed for checkpoint/restore in first place so we've been wrapping any new code created for this sake with CONFIG_. And we (criu team) were the only users of this interface at those days so it had lot of sence to keep it conditionally enabled. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
