> If the shared pte patch had mmap support, then all shared libraries
> would benefit. Might need to align them to 4 MB boundaries for best
> results, which would also be easy for libraries with unspecified
> attach addresses (e.g. most shared libraries).
But only if the shared libraries are a multiple of 2/4MB, otherwise you'll
waste memory. Or do you propose to link multiple mmap'ed libraries together
into the same page ?
But I agree it would be nice to have a chattr for files that tells
mmap() to use large pages for them.
-Andi
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