Revert "mm: fix slab->page flags corruption"

This reverts commit 7da9909167de4ad73aa24e09dd6729751595c1d5.
Revert "oom: fix race while temporarily setting current's oom_score_adj"

This reverts commit 3480fa9c8a8c07f1f39b41a21f8863811586fba1.
Revert "Revert "lowmemorykiller: make default lowmemorykiller debug message useful""

This reverts commit 267e3a9f6790d2af83b6157450f98e89ca3e53b6.
Revert "mm: remove the second argument of k[un]map_atomic()"

This reverts commit 89a7570edcafc6128090feb77b6f73c874476ac9.
Revert "fuse: remove the second argument of k[un]map_atomic()"

This reverts commit 1966ef06abe11be8f176c96b30b04f0cb607059d.
Revert "fs: remove the second argument of k[un]map_atomic()"

This reverts commit 51f50b07597f711f43d49dfd20a104cd692f1b54.
Revert "md: remove the second argument of k[un]map_atomic()"

This reverts commit eb1a3c9e12d7ae9e0ce89ccb3fa14c35fcfe36e0.
Revert "crypto: remove the second argument of k[un]map_atomic()"

This reverts commit 8df724ca195524a47722dd06b4021cde54d3ceb1.
Revert "block: remove the second argument of k[un]map_atomic()"

This reverts commit 0f3e3c252c6f3a338f7053ce7a04e97f2b26f97f.
Revert "crypto: remove the second argument of k[un]map_atomic()"

This reverts commit 3907e8d7a27aae6c2c90d4474c30207dbff36fc9.
Revert "arm: remove the second argument of k[un]map_atomic()"

This reverts commit d224a04237fc4c8d5f715a56e3b845c3b26384ce.
Revert "include/linux/highmem.h: remove the second argument of k[un]map_atomic()"

This reverts commit 683696e52a086011448621736feff59d0d657ca1.