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Message-Id: <1599715096-20369-1-git-send-email-alex.shi@linux.alibaba.com>
Date: Thu, 10 Sep 2020 13:18:16 +0800
From: Alex Shi <alex.shi@...ux.alibaba.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Naoya Horiguchi <naoya.horiguchi@....com>,
Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] mm: remove unused marco writeback
Unlike others we don't use the marco writeback. so let's remove it to
tame gcc warning:
mm/memory-failure.c:827: warning: macro "writeback" is not used
[-Wunused-macros]
Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Naoya Horiguchi <naoya.horiguchi@....com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
---
mm/memory-failure.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index f1aa6433f404..3a97440cdf8c 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -824,7 +824,6 @@ static int me_huge_page(struct page *p, unsigned long pfn)
#define sc ((1UL << PG_swapcache) | (1UL << PG_swapbacked))
#define unevict (1UL << PG_unevictable)
#define mlock (1UL << PG_mlocked)
-#define writeback (1UL << PG_writeback)
#define lru (1UL << PG_lru)
#define head (1UL << PG_head)
#define slab (1UL << PG_slab)
@@ -873,7 +872,6 @@ static int me_huge_page(struct page *p, unsigned long pfn)
#undef sc
#undef unevict
#undef mlock
-#undef writeback
#undef lru
#undef head
#undef slab
--
1.8.3.1
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