patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / Documentation / cachetlb.txt

diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt
index 094631f..98e4c6c 100644 (file)
--- a/Documentation/cachetlb.txt
+++ b/Documentation/cachetlb.txt
@@ -322,10 +322,10 @@ maps this page at its virtual address.
        about doing this.
 
        The idea is, first at flush_dcache_page() time, if
-       page->mapping->i_mmap{,_shared} are empty lists, 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 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.
 
        IMPORTANT NOTE: It is often important, if you defer the flush,
                        that the actual flush occurs on the same CPU