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
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