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[PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs

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  [PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-07-26 02:40 +0200

#1450272 — [PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs

split_huge_page() is ready to handle file-backed huge pages, we only
need to remove one guarding VM_BUG_ON_PAGE().

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
 mm/huge_memory.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c1444a99a583..7f1271c38cb9 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2004,7 +2004,6 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
 
 	VM_BUG_ON_PAGE(is_huge_zero_page(page), page);
 	VM_BUG_ON_PAGE(!PageLocked(page), page);
-	VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
 	VM_BUG_ON_PAGE(!PageCompound(page), page);
 
 	if (PageAnon(head)) {
-- 
2.8.1

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