diff options
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index b5e1bea9194c..099c4824dd8a 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -405,7 +405,6 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) access = VM_WRITE; if (access == VM_WRITE) flags |= FAULT_FLAG_WRITE; -#ifdef CONFIG_PER_VMA_LOCK if (!(flags & FAULT_FLAG_USER)) goto lock_mmap; vma = lock_vma_under_rcu(mm, address); @@ -416,7 +415,8 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) goto lock_mmap; } fault = handle_mm_fault(vma, address, flags | FAULT_FLAG_VMA_LOCK, regs); - vma_end_read(vma); + if (!(fault & (VM_FAULT_RETRY | VM_FAULT_COMPLETED))) + vma_end_read(vma); if (!(fault & VM_FAULT_RETRY)) { count_vm_vma_lock_event(VMA_LOCK_SUCCESS); if (likely(!(fault & VM_FAULT_ERROR))) @@ -430,7 +430,6 @@ static inline vm_fault_t do_exception(struct pt_regs *regs, int access) goto out; } lock_mmap: -#endif /* CONFIG_PER_VMA_LOCK */ mmap_read_lock(mm); gmap = NULL; |