These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / rmap.h

diff --git a/kernel/include/linux/rmap.h b/kernel/include/linux/rmap.h
index c89c53a..ddda2ac 100644 (file)
--- a/kernel/include/linux/rmap.h
+++ b/kernel/include/linux/rmap.h
@@ -89,6 +89,9 @@ enum ttu_flags {
        TTU_IGNORE_MLOCK = (1 << 8),    /* ignore mlock */
        TTU_IGNORE_ACCESS = (1 << 9),   /* don't age */
        TTU_IGNORE_HWPOISON = (1 << 10),/* corrupted page is recoverable */
+       TTU_BATCH_FLUSH = (1 << 11),    /* Batch TLB flushes where possible
+                                        * and caller guarantees they will
+                                        * do a final flush if necessary */
 };
 
 #ifdef CONFIG_MMU
@@ -105,20 +108,6 @@ static inline void put_anon_vma(struct anon_vma *anon_vma)
                __put_anon_vma(anon_vma);
 }
 
-static inline void vma_lock_anon_vma(struct vm_area_struct *vma)
-{
-       struct anon_vma *anon_vma = vma->anon_vma;
-       if (anon_vma)
-               down_write(&anon_vma->root->rwsem);
-}
-
-static inline void vma_unlock_anon_vma(struct vm_area_struct *vma)
-{
-       struct anon_vma *anon_vma = vma->anon_vma;
-       if (anon_vma)
-               up_write(&anon_vma->root->rwsem);
-}
-
 static inline void anon_vma_lock_write(struct anon_vma *anon_vma)
 {
        down_write(&anon_vma->root->rwsem);