diff options
Diffstat (limited to 'arch/s390/mm/gmap.c')
| -rw-r--r-- | arch/s390/mm/gmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index af0ae6d7ac59..2ce6bb3bab32 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -109,7 +109,7 @@ EXPORT_SYMBOL_GPL(gmap_create); static void gmap_flush_tlb(struct gmap *gmap) { if (MACHINE_HAS_IDTE) - __tlb_flush_asce(gmap->mm, gmap->asce); + __tlb_flush_idte(gmap->asce); else __tlb_flush_global(); } @@ -560,6 +560,9 @@ int __gmap_link(struct gmap *gmap, unsigned long gaddr, unsigned long vmaddr) VM_BUG_ON(pgd_none(*pgd)); pud = pud_offset(pgd, vmaddr); VM_BUG_ON(pud_none(*pud)); + /* large puds cannot yet be handled */ + if (pud_large(*pud)) + return -EFAULT; pmd = pmd_offset(pud, vmaddr); VM_BUG_ON(pmd_none(*pmd)); /* large pmds cannot yet be handled */ |