Revert "flags"

This reverts commit 65bbc5d49ea7f8321219c723b75c3e3bead693b5.
Revert "ZRAM/ZSMALLOC: initial file import from Linux 3.14 rc1 source"

This reverts commit 27ec07a2f57f4526d74b42ef97ebb5d938665b3b.