On Wed, May 11, 2011 at 1:42 AM, Milan Broz <mbroz@xxxxxxxxxx> wrote: > > Another one is cryptsetup [..] Quite frankly, all security-related uses should always be happy about a "MCL_SPARSE" model, since there is no point in ever bringing in pages that haven't been used. The whole (and only) point of mlock[all]() for them is the "avoid to push to disk" issue. I do wonder if we really should ever do the page-in at all. We might simply be better off always just saying "we'll lock pages you've touched, that's it". Linus -- To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html