The patch titled
Subject: vmscan: split file huge pages before paging them out
has been removed from the -mm tree. Its filename was
vmscan-split-file-huge-pages-before-paging-them-out.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: vmscan: split file huge pages before paging them out
This is preparation of vmscan for file huge pages. We cannot write out
huge pages, so we need to split them on the way out.
Link: http://lkml.kernel.org/r/1466021202-61880-22-git-send-email-kirill.shutemov@xxxxxxxxxxxxxxx
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN mm/vmscan.c~vmscan-split-file-huge-pages-before-paging-them-out mm/vmscan.c
--- a/mm/vmscan.c~vmscan-split-file-huge-pages-before-paging-them-out
+++ a/mm/vmscan.c
@@ -1055,8 +1055,14 @@ static unsigned long shrink_page_list(st
/* Adding to swap updated mapping */
mapping = page_mapping(page);
+ } else if (unlikely(PageTransHuge(page))) {
+ /* Split file THP */
+ if (split_huge_page_to_list(page, page_list))
+ goto keep_locked;
}
+ VM_BUG_ON_PAGE(PageTransHuge(page), page);
+
/*
* The page is mapped into the page tables of one or more
* processes. Try to unmap it here.
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
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