Re: anon_vma RFC2

[Hugh Dickins]

On Sat, 13 Mar 2004, Rik van Riel wrote:
> 
> No, Linus is right.
> 
> If a child process uses mremap(), it stands to reason that
> it's about to use those pages for something.
> 
> Think of it as taking the COW faults early, because chances
> are you'd be taking them anyway, just a little bit later...

Makes perfect sense in the read-write case.  The read-only
case is less satisfactory, but those will be even rarer.

Hugh

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