Revert "ARM: dma-mapping: use dma_mmap_from_coherent()"

This reverts commit eadf3566c73507759d3f0cff872d24669095ab5e.
upd
Revert "Fix execve behavior apparmor for PR_{GET,SET}_NO_NEW_PRIVS"

This reverts commit 764f37f34aa799d900a6fcd3effab686adc4f872.
Revert "mm: add a field to store names for private anonymous memory"

This reverts commit de732a63561938e422b1db391cf5b012cef53857.
Revert "Add PR_{GET,SET}_NO_NEW_PRIVS to prevent execve from granting privs"

This reverts commit 858078bc231764b9289c2df89e53b8bfd06d6278.