mmap locking API: convert mmap_sem comments

[mirror_ubuntu-kernels.git] / arch / powerpc / kvm / book3s_hv_uvmem.c

diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
index 305997b015b661419af9cb6cc37b05b6e55a82b7..f91224ea034aa5dee5fb4adb69b292e2651bd8ed 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
@@ -47,7 +47,7 @@
  * Locking order
  *
  * 1. kvm->srcu - Protects KVM memslots
- * 2. kvm->mm->mmap_sem - find_vma, migrate_vma_pages and helpers, ksm_madvise
+ * 2. kvm->mm->mmap_lock - find_vma, migrate_vma_pages and helpers, ksm_madvise
  * 3. kvm->arch.uvmem_lock - protects read/writes to uvmem slots thus acting
  *                          as sync-points for page-in/out
  */
@@ -402,8 +402,8 @@ kvmppc_svm_page_in(struct vm_area_struct *vma, unsigned long start,
        mig.dst = &dst_pfn;
 
        /*
-        * We come here with mmap_sem write lock held just for
-        * ksm_madvise(), otherwise we only need read mmap_sem.
+        * We come here with mmap_lock write lock held just for
+        * ksm_madvise(), otherwise we only need read mmap_lock.
         * Hence downgrade to read lock once ksm_madvise() is done.
         */
        ret = ksm_madvise(vma, vma->vm_start, vma->vm_end,