diff options
Diffstat (limited to 'arch/s390/include/asm/pgalloc.h')
| -rw-r--r-- | arch/s390/include/asm/pgalloc.h | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h index bbe99cb8219d..c7b4333d1de0 100644 --- a/arch/s390/include/asm/pgalloc.h +++ b/arch/s390/include/asm/pgalloc.h @@ -13,6 +13,7 @@ #define _S390_PGALLOC_H #include <linux/threads.h> +#include <linux/string.h> #include <linux/gfp.h> #include <linux/mm.h> @@ -28,24 +29,9 @@ void page_table_free_rcu(struct mmu_gather *, unsigned long *, unsigned long); void page_table_free_pgste(struct page *page); extern int page_table_allocate_pgste; -static inline void clear_table(unsigned long *s, unsigned long val, size_t n) -{ - struct addrtype { char _[256]; }; - int i; - - for (i = 0; i < n; i += 256) { - *s = val; - asm volatile( - "mvc 8(248,%[s]),0(%[s])\n" - : "+m" (*(struct addrtype *) s) - : [s] "a" (s)); - s += 256 / sizeof(long); - } -} - static inline void crst_table_init(unsigned long *crst, unsigned long entry) { - clear_table(crst, entry, _CRST_TABLE_SIZE); + memset64((u64 *)crst, entry, _CRST_ENTRIES); } static inline unsigned long pgd_entry_type(struct mm_struct *mm) |