mm: refactor TLB gathering API

[mirror_ubuntu-artful-kernel.git] / include / linux / mm_types.h

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 0e478ebd27060a277d4f22caf8c9d837f671305f..c605f2a3a68eff8c8ed8331f585a185f37b012a9 100644 (file)
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -522,6 +522,12 @@ static inline cpumask_t *mm_cpumask(struct mm_struct *mm)
        return mm->cpu_vm_mask_var;
 }
 
+struct mmu_gather;
+extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
+                               unsigned long start, unsigned long end);
+extern void tlb_finish_mmu(struct mmu_gather *tlb,
+                               unsigned long start, unsigned long end);
+
 #if defined(CONFIG_NUMA_BALANCING) || defined(CONFIG_COMPACTION)
 /*
  * Memory barriers to keep this state in sync are graciously provided by