diff options
Diffstat (limited to 'arch/s390/mm/init.c')
| -rw-r--r-- | arch/s390/mm/init.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 2489b2e917c8..f56a39bd8ba6 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -40,7 +40,7 @@ #include <asm/ctl_reg.h> #include <asm/sclp.h> -pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((__aligned__(PAGE_SIZE))); +pgd_t swapper_pg_dir[PTRS_PER_PGD] __section(.bss..swapper_pg_dir); unsigned long empty_zero_page, zero_page_mask; EXPORT_SYMBOL(empty_zero_page); @@ -111,17 +111,16 @@ void __init paging_init(void) void mark_rodata_ro(void) { - /* Text and rodata are already protected. Nothing to do here. */ - pr_info("Write protecting the kernel read-only data: %luk\n", - ((unsigned long)&_eshared - (unsigned long)&_stext) >> 10); + unsigned long size = __end_ro_after_init - __start_ro_after_init; + + set_memory_ro((unsigned long)__start_ro_after_init, size >> PAGE_SHIFT); + pr_info("Write protected read-only-after-init data: %luk\n", size >> 10); } void __init mem_init(void) { - if (MACHINE_HAS_TLB_LC) - cpumask_set_cpu(0, &init_mm.context.cpu_attach_mask); + cpumask_set_cpu(0, &init_mm.context.cpu_attach_mask); cpumask_set_cpu(0, mm_cpumask(&init_mm)); - atomic_set(&init_mm.context.attach_count, 1); set_max_mapnr(max_low_pfn); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); |