diff options
Diffstat (limited to 'arch/powerpc/include/asm/nohash/pgalloc.h')
-rw-r--r-- | arch/powerpc/include/asm/nohash/pgalloc.h | 10 |
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; |