Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...

[pandora-kernel.git] / mm / rmap.c

diff --git a/mm/rmap.c b/mm/rmap.c
index 0c9a2df..bf0a5b7 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -335,6 +335,7 @@ static int page_referenced_anon(struct page *page,
 /**
  * page_referenced_file - referenced check for object-based rmap
  * @page: the page we're checking references on.
+ * @mem_cont: target memory controller
  *
  * For an object-based mapped page, find all the places it is mapped and
  * check/clear the referenced flag.  This is done by following the page->mapping
@@ -402,6 +403,7 @@ static int page_referenced_file(struct page *page,
  * page_referenced - test if the page was referenced
  * @page: the page to test
  * @is_locked: caller holds lock on the page
+ * @mem_cont: target memory controller
  *
  * Quick test_and_clear_referenced for all mappings to a page,
  * returns the number of ptes which referenced the page.
@@ -411,9 +413,6 @@ int page_referenced(struct page *page, int is_locked,
 {
        int referenced = 0;
 
-       if (page_test_and_clear_young(page))
-               referenced++;
-
        if (TestClearPageReferenced(page))
                referenced++;
 
@@ -431,6 +430,10 @@ int page_referenced(struct page *page, int is_locked,
                        unlock_page(page);
                }
        }
+
+       if (page_test_and_clear_young(page))
+               referenced++;
+
        return referenced;
 }
 
@@ -506,7 +509,7 @@ int page_mkclean(struct page *page)
 EXPORT_SYMBOL_GPL(page_mkclean);
 
 /**
- * page_set_anon_rmap - setup new anonymous rmap
+ * __page_set_anon_rmap - setup new anonymous rmap
  * @page:      the page to add the mapping to
  * @vma:       the vm area in which the mapping is added
  * @address:   the user virtual address mapped
@@ -530,7 +533,7 @@ static void __page_set_anon_rmap(struct page *page,
 }
 
 /**
- * page_set_anon_rmap - sanity check anonymous rmap addition
+ * __page_check_anon_rmap - sanity check anonymous rmap addition
  * @page:      the page to add the mapping to
  * @vma:       the vm area in which the mapping is added
  * @address:   the user virtual address mapped
@@ -583,7 +586,7 @@ void page_add_anon_rmap(struct page *page,
        }
 }
 
-/*
+/**
  * page_add_new_anon_rmap - add pte mapping to a new anonymous page
  * @page:      the page to add the mapping to
  * @vma:       the vm area in which the mapping is added
@@ -623,6 +626,8 @@ void page_add_file_rmap(struct page *page)
 /**
  * page_dup_rmap - duplicate pte mapping to a page
  * @page:      the page to add the mapping to
+ * @vma:       the vm area being duplicated
+ * @address:   the user virtual address mapped
  *
  * For copy_page_range only: minimal extract from page_add_file_rmap /
  * page_add_anon_rmap, avoiding unnecessary tests (already checked) so it's
@@ -642,6 +647,7 @@ void page_dup_rmap(struct page *page, struct vm_area_struct *vma, unsigned long
 /**
  * page_remove_rmap - take down pte mapping from a page
  * @page: page to remove mapping from
+ * @vma: the vm area in which the mapping is removed
  *
  * The caller needs to hold the pte lock.
  */
@@ -656,7 +662,6 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma)
                        printk (KERN_EMERG "  page->mapping = %p\n", page->mapping);
                        print_symbol (KERN_EMERG "  vma->vm_ops = %s\n", (unsigned long)vma->vm_ops);
                        if (vma->vm_ops) {
-                               print_symbol (KERN_EMERG "  vma->vm_ops->nopage = %s\n", (unsigned long)vma->vm_ops->nopage);
                                print_symbol (KERN_EMERG "  vma->vm_ops->fault = %s\n", (unsigned long)vma->vm_ops->fault);
                        }
                        if (vma->vm_file && vma->vm_file->f_op)
@@ -890,6 +895,7 @@ static int try_to_unmap_anon(struct page *page, int migration)
 /**
  * try_to_unmap_file - unmap file page using the object-based rmap method
  * @page: the page to unmap
+ * @migration: migration flag
  *
  * Find all the mappings of a page using the mapping pointer and the vma chains
  * contained in the address_space struct it points to.
@@ -986,6 +992,7 @@ out:
 /**
  * try_to_unmap - try to remove all page table mappings to a page
  * @page: the page to get unmapped
+ * @migration: migration flag
  *
  * Tries to remove all the page table entries which are mapping this
  * page, used in the pageout path.  Caller must hold the page lock.