On Wed, Dec 24, 2014 at 02:22:08PM +0200, Kirill A. Shutemov wrote: > We have remap_file_pages(2) emulation in -mm tree for few release cycles > and we plan to have it mainline in v3.20. This patchset removes rest of > VM_NONLINEAR infrastructure. > > Patches 1-8 take care about generic code. They are pretty > straight-forward and can be applied without other of patches. > > Rest patches removes pte_file()-related stuff from architecture-specific > code. It usually frees up one bit in non-present pte. I've tried to reuse > that bit for swap offset, where I was able to figure out how to do that. > > For obvious reason I cannot test all that arch-specific code and would > like to see acks from maintainers. > > In total, remap_file_pages(2) required about 1.4K lines of not-so-trivial > kernel code. That's too much for functionality nobody uses. > > git://git.kernel.org/pub/scm/linux/kernel/git/kas/linux.git remap_file_pages have been running this for a while on a three different ARM boards I have around, haven't noticed anything wrong. Tested-by: Felipe Balbi <balbi@xxxxxx> -- balbi
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