1 files changed, 10 insertions, 8 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index fb42c4dd321..f1c2d55b437 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -113,7 +113,7 @@ static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr,
 static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
                            unsigned long address, unsigned int psize)
 {
-        pte_t *new = kmem_cache_alloc(huge_pgtable_cache(psize),
+        pte_t *new = kmem_cache_zalloc(huge_pgtable_cache(psize),
                                       GFP_KERNEL|__GFP_REPEAT);
 
         if (! new)
@@ -730,25 +730,27 @@ static int __init hugepage_setup_sz(char *str)
 }
 __setup("hugepagesz=", hugepage_setup_sz);
 
-static void zero_ctor(struct kmem_cache *cache, void *addr)
-{
-        memset(addr, 0, kmem_cache_size(cache));
-}
-
 static int __init hugetlbpage_init(void)
 {
         unsigned int psize;
 
         if (!cpu_has_feature(CPU_FTR_16M_PAGE))
                 return -ENODEV;
+
         /* Add supported huge page sizes.  Need to change HUGE_MAX_HSTATE
          * and adjust PTE_NONCACHE_NUM if the number of supported huge page
          * sizes changes.
          */
         set_huge_psize(MMU_PAGE_16M);
-        set_huge_psize(MMU_PAGE_64K);
         set_huge_psize(MMU_PAGE_16G);
 
+        /* Temporarily disable support for 64K huge pages when 64K SPU local
+         * store support is enabled as the current implementation conflicts.
+         */
+#ifndef CONFIG_SPU_FS_64K_LS
+        set_huge_psize(MMU_PAGE_64K);
+#endif
+
         for (psize = 0; psize < MMU_PAGE_COUNT; ++psize) {
                 if (mmu_huge_psizes[psize]) {
                         huge_pgtable_cache(psize) = kmem_cache_create(
@@ -756,7 +758,7 @@ static int __init hugetlbpage_init(void)
                                                 HUGEPTE_TABLE_SIZE(psize),
                                                 HUGEPTE_TABLE_SIZE(psize),
                                                 0,
-                                                zero_ctor);
+                                                NULL);
                         if (!huge_pgtable_cache(psize))
                                 panic("hugetlbpage_init(): could not create %s"\
                                       "\n", HUGEPTE_CACHE_NAME(psize));