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Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c
index ba94dec5b25..6dc1882fbd7 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -715,11 +715,11 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
* Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y
*/
if (vma->vm_ops)
- print_symbol(KERN_ALERT "vma->vm_ops->fault: %s\n",
- (unsigned long)vma->vm_ops->fault);
+ printk(KERN_ALERT "vma->vm_ops->fault: %pSR\n",
+ vma->vm_ops->fault);
if (vma->vm_file && vma->vm_file->f_op)
- print_symbol(KERN_ALERT "vma->vm_file->f_op->mmap: %s\n",
- (unsigned long)vma->vm_file->f_op->mmap);
+ printk(KERN_ALERT "vma->vm_file->f_op->mmap: %pSR\n",
+ vma->vm_file->f_op->mmap);
dump_stack();
add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE);
}
@@ -3244,6 +3244,11 @@ 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;
+ /*
+ * The memory barrier inside __SetPageUptodate makes sure that
+ * preceeding stores to the page contents become visible before
+ * the set_pte_at() write.
+ */
__SetPageUptodate(page);
if (mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))