diff options
Diffstat (limited to 'arch/s390/mm/pageattr.c')
| -rw-r--r-- | arch/s390/mm/pageattr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index 5f805ad42d4c..4c7ee74aa130 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -406,6 +406,17 @@ int set_direct_map_default_noflush(struct page *page) return __set_memory((unsigned long)page_to_virt(page), 1, SET_MEMORY_DEF); } +int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid) +{ + unsigned long flags; + + if (valid) + flags = SET_MEMORY_DEF; + else + flags = SET_MEMORY_INV; + + return __set_memory((unsigned long)page_to_virt(page), nr, flags); +} #if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE) static void ipte_range(pte_t *pte, unsigned long address, int nr) |