[merged] mm-truncate-fix-truncation-for-pages-of-arbitrary-size.patch removed from -mm tree

[merged] mm-truncate-fix-truncation-for-pages-of-arbitrary-size.patch removed from -mm tree

[akpm]

The patch titled
     Subject: mm/truncate: fix truncation for pages of arbitrary size
has been removed from the -mm tree.  Its filename was
     mm-truncate-fix-truncation-for-pages-of-arbitrary-size.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: mm/truncate: fix truncation for pages of arbitrary size

Remove the assumption that a compound page is HPAGE_PMD_SIZE, and the
assumption that any page is PAGE_SIZE.

Link: https://lkml.kernel.org/r/20200908195539.25896-10-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: SeongJae Park <sjpark@amazon.de>
Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/truncate.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/mm/truncate.c~mm-truncate-fix-truncation-for-pages-of-arbitrary-size
+++ a/mm/truncate.c
@@ -168,7 +168,7 @@ void do_invalidatepage(struct page *page
  * becomes orphaned.  It will be left on the LRU and may even be mapped into
  * user pagetables if we're racing with filemap_fault().
  *
- * We need to bale out if page->mapping is no longer equal to the original
+ * We need to bail out if page->mapping is no longer equal to the original
  * mapping.  This happens a) when the VM reclaimed the page while we waited on
  * its lock, b) when a concurrent invalidate_mapping_pages got there first and
  * c) when tmpfs swizzles a page between a tmpfs inode and swapper_space.
@@ -177,12 +177,12 @@ static void
 truncate_cleanup_page(struct address_space *mapping, struct page *page)
 {
 	if (page_mapped(page)) {
-		pgoff_t nr = PageTransHuge(page) ? HPAGE_PMD_NR : 1;
+		unsigned int nr = thp_nr_pages(page);
 		unmap_mapping_pages(mapping, page->index, nr, false);
 	}
 
 	if (page_has_private(page))
-		do_invalidatepage(page, 0, PAGE_SIZE);
+		do_invalidatepage(page, 0, thp_size(page));
 
 	/*
 	 * Some filesystems seem to re-dirty the page even after
_

Patches currently in -mm which might be from willy@infradead.org are

mm-update-the-documentation-for-vfree.patch