From d4afd60c24f87b6275b12ec3d67d8c2ad78cb075 Mon Sep 17 00:00:00 2001
From: Miaohe Lin <linmiaohe@huawei.com>
Date: Tue, 4 May 2021 18:34:05 -0700
Subject: [PATCH] mm/huge_memory.c: remove unused macro
 TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG

Commit 4958e4d86ecb ("mm: thp: remove debug_cow switch") forgot to
remove TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG macro.  Remove it here.

Link: https://lkml.kernel.org/r/20210318122722.13135-6-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michel Lespinasse <walken@google.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: Thomas Hellstrm (Intel) <thomas_os@shipmail.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Yang Shi <yang.shi@linux.alibaba.com>
Cc: yuleixzhang <yulei.kernel@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/huge_mm.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index ba973efcd369..9626fda5efce 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -87,9 +87,6 @@ enum transparent_hugepage_flag {
 	TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG,
 	TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG,
 	TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG,
-#ifdef CONFIG_DEBUG_VM
-	TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG,
-#endif
 };
 
 struct kobject;