Pull sparc fixes from David Miller:
"Several fixes here, mostly having to due with either build errors or
memory corruptions depending upon whether you have THP enabled or not"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: remove unused wp_works_ok macro
sparc32: Export vac_cache_size to fix build error
sparc64: Fix memory corruption when THP is enabled
sparc64: Fix kernel panic due to erroneous #ifdef surrounding pmd_write()
arch/sparc: Avoid DCTI Couples
sparc64: kern_addr_valid regression
sparc64: Add support for 2G hugepages
sparc64: Fix size check in huge_pte_alloc