Re: [PATCH 05/14] vrange: Add new vrange(2) system call

[H. Peter Anvin]

On 10/07/2013 04:41 PM, John Stultz wrote:
> 
> You mark a chunk of memory as volatile, then at some point later, mark
> its as non-volatile. The purge state tells you if the memory is still
> there, or if we threw it out due to memory pressure. This lets the
> application regnerate the purged data before continuing on.
> 

And wouldn't this apply to MADV_DONTNEED just as well?  Perhaps what we
should do is an enhanced madvise() call?

	-hpa


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/