Clearing of page->mapping makes sense in page_cache_tree_delete() as
well and it will help us with batching things this way.
Link: http://lkml.kernel.org/r/20171010151937.26984-6-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
workingset_update_node, mapping);
}
+ page->mapping = NULL;
+ /* Leave page->index set: truncation lookup relies upon it */
+
if (shadow) {
mapping->nrexceptional += nr;
/*
inode_to_wb(mapping->host));
}
page_cache_tree_delete(mapping, page, shadow);
-
- page->mapping = NULL;
- /* Leave page->index set: truncation lookup relies upon it */
}
static void page_cache_free_page(struct address_space *mapping,