Blackfin: drop ptrace() write support for fixed code/bootrom

[safe/jmp/linux-2.6] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index 16052e8..0bc640f 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -602,7 +602,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
        struct page *newpage = get_new_page(page, private, &result);
        int rcu_locked = 0;
        int charge = 0;
-       struct mem_cgroup *mem;
+       struct mem_cgroup *mem = NULL;
 
        if (!newpage)
                return -ENOMEM;
@@ -675,7 +675,7 @@ static int unmap_and_move(new_page_t get_new_page, unsigned long private,
        }
 
        /* Establish migration ptes or remove ptes */
-       try_to_unmap(page, 1);
+       try_to_unmap(page, TTU_MIGRATION|TTU_IGNORE_MLOCK|TTU_IGNORE_ACCESS);
 
 skip_unmap:
        if (!page_mapped(page))
@@ -1044,7 +1044,7 @@ static int do_pages_stat(struct mm_struct *mm, unsigned long nr_pages,
        int err;
 
        for (i = 0; i < nr_pages; i += chunk_nr) {
-               if (chunk_nr + i > nr_pages)
+               if (chunk_nr > nr_pages - i)
                        chunk_nr = nr_pages - i;
 
                err = copy_from_user(chunk_pages, &pages[i],