rmap: drop support of non-linear mappings

We don't create non-linear mappings anymore.  Let's drop code which
handles them in rmap.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt
index d79b008e4a32..3f9f808b5119 100644
--- a/Documentation/cachetlb.txt
+++ b/Documentation/cachetlb.txt
@@ -317,10 +317,10 @@ maps this page at its virtual address.
         about doing this.
 
         The idea is, first at flush_dcache_page() time, if
-        page->mapping->i_mmap is an empty tree and ->i_mmap_nonlinear
-        an empty list, just mark the architecture private page flag bit.
-        Later, in update_mmu_cache(), a check is made of this flag bit,
-        and if set the flush is done and the flag bit is cleared.
+        page->mapping->i_mmap is an empty tree, just mark the architecture
+        private page flag bit.  Later, in update_mmu_cache(), a check is
+        made of this flag bit, and if set the flush is done and the flag
+        bit is cleared.
 
         IMPORTANT NOTE: It is often important, if you defer the flush,
                         that the actual flush occurs on the same CPU