diff options
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index ffb1d8c..fbb5ee3 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -99,7 +99,7 @@ extern unsigned long zero_page_mask; #endif /* CONFIG_64BIT */ #define PTRS_PER_PGD 2048 -#define FIRST_USER_ADDRESS 0 +#define FIRST_USER_ADDRESS 0UL #define pte_ERROR(e) \ printk("%s:%d: bad pte %p.\n", __FILE__, __LINE__, (void *) pte_val(e)) @@ -1758,6 +1758,10 @@ extern int s390_enable_sie(void); extern int s390_enable_skey(void); extern void s390_reset_cmma(struct mm_struct *mm); +/* s390 has a private copy of get unmapped area to deal with cache synonyms */ +#define HAVE_ARCH_UNMAPPED_AREA +#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN + /* * No page table caches to initialise */ |
