[PATCH 4.4 051/190] powerpc/mm: Fix virt_addr_valid() etc. on 64-bit hash

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Michael Ellerman [ Upstream commit e41e53cd4fe331d0d1f06f8e4ed7e2cc63ee2c34 ] virt_addr_valid() is supposed to tell you if it's OK to call virt_to_page() on an address.

[PATCH 4.4 051/190] powerpc/mm: Fix virt_addr_valid() etc. on 64-bit hash

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Michael Ellerman [ Upstream commit e41e53cd4fe331d0d1f06f8e4ed7e2cc63ee2c34 ] virt_addr_valid() is supposed to tell you if it's OK to call virt_to_page() on an address. What this means in