Commit 2300638b authored by Jan Kara's avatar Jan Kara Committed by Linus Torvalds

mm: move clearing of page->mapping to page_cache_tree_delete()

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/[email protected]Signed-off-by: default avatarJan Kara <[email protected]>
Acked-by: default avatarMel Gorman <[email protected]>
Reviewed-by: default avatarAndi Kleen <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Signed-off-by: default avatarAndrew Morton <[email protected]>
Signed-off-by: default avatarLinus Torvalds <[email protected]>
parent 76253fbc
......@@ -165,6 +165,9 @@ static void page_cache_tree_delete(struct address_space *mapping,
workingset_update_node, mapping);
}
page->mapping = NULL;
/* Leave page->index set: truncation lookup relies upon it */
if (shadow) {
mapping->nrexceptional += nr;
/*
......@@ -250,9 +253,6 @@ void __delete_from_page_cache(struct page *page, void *shadow)
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,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment