diff options
Diffstat (limited to 'arch/s390/include/asm/page.h')
| -rw-r--r-- | arch/s390/include/asm/page.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index af650fb..3c987e9 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -108,9 +108,13 @@ typedef pte_t *pgtable_t; #define __pgprot(x) ((pgprot_t) { (x) } ) static inline void -page_set_storage_key(unsigned long addr, unsigned int skey) +page_set_storage_key(unsigned long addr, unsigned int skey, int mapped) { - asm volatile("sske %0,%1" : : "d" (skey), "a" (addr)); + if (!mapped) + asm volatile(".insn rrf,0xb22b0000,%0,%1,8,0" + : : "d" (skey), "a" (addr)); + else + asm volatile("sske %0,%1" : : "d" (skey), "a" (addr)); } static inline unsigned int @@ -126,6 +130,11 @@ struct page; void arch_free_page(struct page *page, int order); void arch_alloc_page(struct page *page, int order); +static inline int devmem_is_allowed(unsigned long pfn) +{ + return 0; +} + #define HAVE_ARCH_FREE_PAGE #define HAVE_ARCH_ALLOC_PAGE |