[patch 026/143] mm/huge_memory.c: remove unused macro TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG

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From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
Cc: Thomas Hellstrm (Intel) <thomas_os@xxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx>
Cc: yuleixzhang <yulei.kernel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/huge_mm.h |    3 ---
 1 file changed, 3 deletions(-)

--- a/include/linux/huge_mm.h~mm-huge_memoryc-remove-unused-macro-transparent_hugepage_debug_cow_flag
+++ a/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;
_



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