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Diffstat (limited to 'arch/powerpc/include/asm/nohash/pgalloc.h')
-rw-r--r--arch/powerpc/include/asm/nohash/pgalloc.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h
index 4b62376318e1..bb5f3e8ea912 100644
--- a/arch/powerpc/include/asm/nohash/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/pgalloc.h
@@ -19,8 +19,14 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb,
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
- return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE),
+ pgd_t *pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE),
pgtable_gfp_flags(mm, GFP_KERNEL));
+
+#if defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_BOOK3S_603)
+ memcpy(pgd + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD,
+ (MAX_PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
+#endif
+ return pgd;
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
@@ -44,8 +50,6 @@ static inline void pgtable_free(void *table, int shift)
}
}
-#define get_hugepd_cache_index(x) (x)
-
static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift)
{
unsigned long pgf = (unsigned long)table;