mm: fault feedback #1

[linux-2.6-omap-h63xx.git] / Documentation / cachetlb.txt

diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt
index 73e794f0ff0924e2432e305cb5520345f776160b..866b76139420b2b22d25255b136f378b6186d52c 100644 (file)
--- a/Documentation/cachetlb.txt
+++ b/Documentation/cachetlb.txt
@@ -253,7 +253,7 @@ Here are the routines, one by one:
 
        The first of these two routines is invoked after map_vm_area()
        has installed the page table entries.  The second is invoked
 
        The first of these two routines is invoked after map_vm_area()
        has installed the page table entries.  The second is invoked

-       before unmap_vm_area() deletes the page table entries.
+       before unmap_kernel_range() deletes the page table entries.

 
 There exists another whole class of cpu cache issues which currently
 require a whole different set of interfaces to handle properly.
 
 There exists another whole class of cpu cache issues which currently
 require a whole different set of interfaces to handle properly.


@@ -373,14 +373,15 @@ maps this page at its virtual address.
        likely that you will need to flush the instruction cache
        for copy_to_user_page().
 
        likely that you will need to flush the instruction cache
        for copy_to_user_page().
 

-  void flush_anon_page(struct page *page, unsigned long vmaddr)
+  void flush_anon_page(struct vm_area_struct *vma, struct page *page,
+                       unsigned long vmaddr)

        When the kernel needs to access the contents of an anonymous
        page, it calls this function (currently only
        get_user_pages()).  Note: flush_dcache_page() deliberately
        doesn't work for an anonymous page.  The default
        implementation is a nop (and should remain so for all coherent
        architectures).  For incoherent architectures, it should flush
        When the kernel needs to access the contents of an anonymous
        page, it calls this function (currently only
        get_user_pages()).  Note: flush_dcache_page() deliberately
        doesn't work for an anonymous page.  The default
        implementation is a nop (and should remain so for all coherent
        architectures).  For incoherent architectures, it should flush

-       the cache of the page at vmaddr in the current user process.
+       the cache of the page at vmaddr.

 
   void flush_kernel_dcache_page(struct page *page)
        When the kernel needs to modify a user page is has obtained
 
   void flush_kernel_dcache_page(struct page *page)
        When the kernel needs to modify a user page is has obtained