On 10/07/2013 05:13 PM, Minchan Kim wrote: >> >> The point is that MADV_DONTNEED is very similar in that sense, >> especially if allowed to be lazy. It makes a lot of sense to permit >> both scrubbing modes orthogonally. >> >> The point you're making has to do with withdrawal of permission to flush >> on demand, which is a result of having the lazy mode (ongoing >> permission) and having to be able to withdraw such permission. > > I'm sorry I could not understand what you wanted to say. > Could you elaborate a bit? >
Basically, you need this because of MADV_LAZY or the equivalent, so it would be applicable to a similar variant of madvise(). As such I would suggest that an madvise4() call would be appropriate. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/