Update zsmalloc to Linux kernel 3.11
Revert "PM / Sleep: Remove unnecessary label from suspend_freeze_processes()"

This reverts commit 1b003ba50c95a8610791e76aef6d16e13d7c5de1.
Revert "PM / Freezer: Thaw only kernel threads if freezing of kernel threads fails"

This reverts commit cda75a7c82b65314893ffeb95f7c559511b337a5.
Revert "Update zsmalloc to Linux kernel 3.11"

This reverts commit cac7312b45a15ff18473d94f7bd20b14b61e485e.
enable dm cache