1 files changed, 21 insertions, 25 deletions

diff --git a/mm/truncate.c b/mm/truncate.c
index e3ee0e27cd17..b00272810871 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -118,7 +118,7 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
 		return -EIO;
 
 	if (page_has_private(page))
-		do_invalidatepage(page, 0, PAGE_CACHE_SIZE);
+		do_invalidatepage(page, 0, PAGE_SIZE);
 
 	/*
 	 * Some filesystems seem to re-dirty the page even after
@@ -159,8 +159,8 @@ int truncate_inode_page(struct address_space *mapping, struct page *page)
 {
 	if (page_mapped(page)) {
 		unmap_mapping_range(mapping,
-				   (loff_t)page->index << PAGE_CACHE_SHIFT,
-				   PAGE_CACHE_SIZE, 0);
+				   (loff_t)page->index << PAGE_SHIFT,
+				   PAGE_SIZE, 0);
 	}
 	return truncate_complete_page(mapping, page);
 }
@@ -241,8 +241,8 @@ void truncate_inode_pages_range(struct address_space *mapping,
 		return;
 
 	/* Offsets within partial pages */
-	partial_start = lstart & (PAGE_CACHE_SIZE - 1);
-	partial_end = (lend + 1) & (PAGE_CACHE_SIZE - 1);
+	partial_start = lstart & (PAGE_SIZE - 1);
+	partial_end = (lend + 1) & (PAGE_SIZE - 1);
 
 	/*
 	 * 'start' and 'end' always covers the range of pages to be fully
@@ -250,7 +250,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 	 * start of the range and 'partial_end' at the end of the range.
 	 * Note that 'end' is exclusive while 'lend' is inclusive.
 	 */
-	start = (lstart + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+	start = (lstart + PAGE_SIZE - 1) >> PAGE_SHIFT;
 	if (lend == -1)
 		/*
 		 * lend == -1 indicates end-of-file so we have to set 'end'
@@ -259,7 +259,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 		 */
 		end = -1;
 	else
-		end = (lend + 1) >> PAGE_CACHE_SHIFT;
+		end = (lend + 1) >> PAGE_SHIFT;
 
 	pagevec_init(&pvec, 0);
 	index = start;
@@ -298,7 +298,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 	if (partial_start) {
 		struct page *page = find_lock_page(mapping, start - 1);
 		if (page) {
-			unsigned int top = PAGE_CACHE_SIZE;
+			unsigned int top = PAGE_SIZE;
 			if (start > end) {
 				/* Truncation within a single page */
 				top = partial_end;
@@ -311,7 +311,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 				do_invalidatepage(page, partial_start,
 						  top - partial_start);
 			unlock_page(page);
-			page_cache_release(page);
+			put_page(page);
 		}
 	}
 	if (partial_end) {
@@ -324,7 +324,7 @@ void truncate_inode_pages_range(struct address_space *mapping,
 				do_invalidatepage(page, 0,
 						  partial_end);
 			unlock_page(page);
-			page_cache_release(page);
+			put_page(page);
 		}
 	}
 	/*
@@ -519,7 +519,6 @@ EXPORT_SYMBOL(invalidate_mapping_pages);
 static int
 invalidate_complete_page2(struct address_space *mapping, struct page *page)
 {
-	struct mem_cgroup *memcg;
 	unsigned long flags;
 
 	if (page->mapping != mapping)
@@ -528,24 +527,21 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page)
 	if (page_has_private(page) && !try_to_release_page(page, GFP_KERNEL))
 		return 0;
 
-	memcg = mem_cgroup_begin_page_stat(page);
 	spin_lock_irqsave(&mapping->tree_lock, flags);
 	if (PageDirty(page))
 		goto failed;
 
 	BUG_ON(page_has_private(page));
-	__delete_from_page_cache(page, NULL, memcg);
+	__delete_from_page_cache(page, NULL);
 	spin_unlock_irqrestore(&mapping->tree_lock, flags);
-	mem_cgroup_end_page_stat(memcg);
 
 	if (mapping->a_ops->freepage)
 		mapping->a_ops->freepage(page);
 
-	page_cache_release(page);	/* pagecache ref */
+	put_page(page);	/* pagecache ref */
 	return 1;
 failed:
 	spin_unlock_irqrestore(&mapping->tree_lock, flags);
-	mem_cgroup_end_page_stat(memcg);
 	return 0;
 }
 
@@ -612,18 +608,18 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
 					 * Zap the rest of the file in one hit.
 					 */
 					unmap_mapping_range(mapping,
-					   (loff_t)index << PAGE_CACHE_SHIFT,
+					   (loff_t)index << PAGE_SHIFT,
 					   (loff_t)(1 + end - index)
-							 << PAGE_CACHE_SHIFT,
-					    0);
+							 << PAGE_SHIFT,
+							 0);
 					did_range_unmap = 1;
 				} else {
 					/*
 					 * Just zap this page
 					 */
 					unmap_mapping_range(mapping,
-					   (loff_t)index << PAGE_CACHE_SHIFT,
-					   PAGE_CACHE_SIZE, 0);
+					   (loff_t)index << PAGE_SHIFT,
+					   PAGE_SIZE, 0);
 				}
 			}
 			BUG_ON(page_mapped(page));
@@ -748,14 +744,14 @@ void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to)
 
 	WARN_ON(to > inode->i_size);
 
-	if (from >= to || bsize == PAGE_CACHE_SIZE)
+	if (from >= to || bsize == PAGE_SIZE)
 		return;
 	/* Page straddling @from will not have any hole block created? */
 	rounded_from = round_up(from, bsize);
-	if (to <= rounded_from || !(rounded_from & (PAGE_CACHE_SIZE - 1)))
+	if (to <= rounded_from || !(rounded_from & (PAGE_SIZE - 1)))
 		return;
 
-	index = from >> PAGE_CACHE_SHIFT;
+	index = from >> PAGE_SHIFT;
 	page = find_lock_page(inode->i_mapping, index);
 	/* Page not cached? Nothing to do */
 	if (!page)
@@ -767,7 +763,7 @@ void pagecache_isize_extended(struct inode *inode, loff_t from, loff_t to)
 	if (page_mkclean(page))
 		set_page_dirty(page);
 	unlock_page(page);
-	page_cache_release(page);
+	put_page(page);
 }
 EXPORT_SYMBOL(pagecache_isize_extended);