The patch titled
Subject: mm: move clearing of page->mapping to page_cache_tree_delete()
has been removed from the -mm tree. Its filename was
mm-move-clearing-of-page-mapping-to-page_cache_tree_delete.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Jan Kara <jack@xxxxxxx>
Subject: 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/20171010151937.26984-6-jack@xxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxx>
Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/filemap.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/filemap.c~mm-move-clearing-of-page-mapping-to-page_cache_tree_delete mm/filemap.c
--- a/mm/filemap.c~mm-move-clearing-of-page-mapping-to-page_cache_tree_delete
+++ a/mm/filemap.c
@@ -165,6 +165,9 @@ static void page_cache_tree_delete(struc
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 pag
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,
_
Patches currently in -mm which might be from jack@xxxxxxx are
mm-readahead-increase-maximum-readahead-window.patch
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