mm: remove unnecessary uses of lock_page_memcg()

[cascardo/linux.git] / mm / truncate.c

diff --git a/mm/truncate.c b/mm/truncate.c
index 87311af..7598b55 100644 (file)
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -527,7 +527,6 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
        if (page_has_private(page) && !try_to_release_page(page, GFP_KERNEL))
                return 0;
 
-       lock_page_memcg(page);
        spin_lock_irqsave(&mapping->tree_lock, flags);
        if (PageDirty(page))
                goto failed;
@@ -535,7 +534,6 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
        BUG_ON(page_has_private(page));
        __delete_from_page_cache(page, NULL);
        spin_unlock_irqrestore(&mapping->tree_lock, flags);
-       unlock_page_memcg(page);
 
        if (mapping->a_ops->freepage)
                mapping->a_ops->freepage(page);
@@ -544,7 +542,6 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
        return 1;
 failed:
        spin_unlock_irqrestore(&mapping->tree_lock, flags);
-       unlock_page_memcg(page);
        return 0;
 }