diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/include/asm/mmu_context.h | 12 | ||||
-rw-r--r-- | arch/s390/mm/gup.c | 4 |
2 files changed, 13 insertions, 3 deletions
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index e485817f7b1a..d321469eeda7 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -136,4 +136,16 @@ static inline void arch_bprm_mm_init(struct mm_struct *mm, { } +static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, + bool write, bool execute, bool foreign) +{ + /* by default, allow everything */ + return true; +} + +static inline bool arch_pte_access_permitted(pte_t pte, bool write) +{ + /* by default, allow everything */ + return true; +} #endif /* __S390_MMU_CONTEXT_H */ diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c index 13dab0c1645c..49a1c84ed266 100644 --- a/arch/s390/mm/gup.c +++ b/arch/s390/mm/gup.c @@ -210,7 +210,6 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, int get_user_pages_fast(unsigned long start, int nr_pages, int write, struct page **pages) { - struct mm_struct *mm = current->mm; int nr, ret; might_sleep(); @@ -222,8 +221,7 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, /* Try to get the remaining pages with get_user_pages */ start += nr << PAGE_SHIFT; pages += nr; - ret = get_user_pages_unlocked(current, mm, start, - nr_pages - nr, write, 0, pages); + ret = get_user_pages_unlocked(start, nr_pages - nr, write, 0, pages); /* Have to be a bit careful with return values */ if (nr > 0) ret = (ret < 0) ? nr : ret + nr; |