On Fri, May 8, 2015 at 9:59 AM, Rik van Riel <riel@xxxxxxxxxx> wrote:
>
> However, for persistent memory, all of the files will be "in memory".
Yes. However, I doubt you will find a very sane rw filesystem that
then also makes them contiguous and aligns them at 2MB boundaries.
Anything is possible, I guess, but things like that are *hard*. The
fragmentation issues etc cause it to a really challenging thing.
And if they aren't aligned big contiguous allocations, then they
aren't relevant from any largepage cases. You'll still have to map
them 4k at a time etc.
Linus
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