On 03/27/2015 05:40 PM, Vlastimil Babka wrote:

Changes since v1:
o In Patch 2, rely on SHMEM_I(inode)->swapped if possible, and fallback to
   radix tree iterator on partially mapped shmem objects, i.e. decouple shmem
   swap usage determination from the page walk, for performance reasons.
   Thanks to Jerome and Konstantin for the tips.
   The downside is that mm/shmem.c had to be touched.

Ping? I've got only a minor suggestion from Konstantin and no more 
feedback. Hugh?

Thanks,
Vlastimil