Merge git://www.linux-watchdog.org/linux-watchdog

[uclinux-h8/linux.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 17734c3..11b9ca1 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2081,11 +2081,12 @@ static int wp_page_copy(struct mm_struct *mm, struct vm_area_struct *vma,
                        goto oom;
                cow_user_page(new_page, old_page, address, vma);
        }
-       __SetPageUptodate(new_page);
 
        if (mem_cgroup_try_charge(new_page, mm, GFP_KERNEL, &memcg))
                goto oom_free_new;
 
+       __SetPageUptodate(new_page);
+
        mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
 
        /*
@@ -2689,6 +2690,10 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
        page = alloc_zeroed_user_highpage_movable(vma, address);
        if (!page)
                goto oom;
+
+       if (mem_cgroup_try_charge(page, mm, GFP_KERNEL, &memcg))
+               goto oom_free_page;
+
        /*
         * The memory barrier inside __SetPageUptodate makes sure that
         * preceeding stores to the page contents become visible before
@@ -2696,9 +2701,6 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
         */
        __SetPageUptodate(page);
 
-       if (mem_cgroup_try_charge(page, mm, GFP_KERNEL, &memcg))
-               goto oom_free_page;
-
        entry = mk_pte(page, vma->vm_page_prot);
        if (vma->vm_flags & VM_WRITE)
                entry = pte_mkwrite(pte_mkdirty(entry));