diff options
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/elf.h | 8 | ||||
| -rw-r--r-- | arch/s390/include/asm/pgtable.h | 4 |
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index f6e43d3..c9df40b 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -163,8 +163,8 @@ extern unsigned int vdso_enabled; the loader. We need to make sure that it is out of the way of the program that it will "exec", and that there is sufficient room for the brk. */ -extern unsigned long randomize_et_dyn(unsigned long base); -#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2)) +extern unsigned long randomize_et_dyn(void); +#define ELF_ET_DYN_BASE randomize_et_dyn() /* This yields a mask that user programs can use to figure out what instruction set this CPU supports. */ @@ -209,7 +209,9 @@ do { \ } while (0) #endif /* CONFIG_COMPAT */ -#define STACK_RND_MASK 0x7ffUL +extern unsigned long mmap_rnd_mask; + +#define STACK_RND_MASK (mmap_rnd_mask) #define ARCH_DLINFO \ do { \ diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 5e102422..b8641b4 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1779,6 +1779,10 @@ 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 */ |