failed patch
Revert "failed patch"

This reverts commit 9cb820da2b364eeba0a9cc9a0f3af3418534070c.
staging: Add Snappy compression support to zram (alt)
Actualizado zcache
failed patch-test
Revert "failed patch-test"

This reverts commit 81cc06f593ec049a9018de6055dc6a718e26c3cb.
staging: android: lowmemorykiller: Change default debug_level to 1
staging: android: lowmemorykiller: well-marked debug print
Staging: zram: Refactor zram_read/write() functions
Staging: zram: allow partial page operations
Staging: zram: Replace mutex lock by a R/W semaphore
Staging: zram: Fix kunmapping order
staging: zram: make global var num_devices use unique name
staging: zram: fix zram locking
staging: zram: prevent accessing an unallocated table when init fails early
zram: Fix sparse warnings
Staging: zram/zram_sysfs.c: Fixed call of obsolete function strict_strtoX
Staging: zram: Add a missing GFP_KERNEL specifier in zram_init_device()
zRam : add LZ4 compression option as alternative to LZO or Snappy
zram: simplify and optimize zram_to_dev()