From 2c3125977ec1cb1ecb027727539049e277f42c25 Mon Sep 17 00:00:00 2001
From: Alex Shi <alex.shi@linux.alibaba.com>
Date: Tue, 13 Oct 2020 16:54:45 -0700
Subject: [PATCH] mm/memory-failure.c: remove unused macro `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@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Link: https://lkml.kernel.org/r/1599715096-20369-1-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/memory-failure.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 24c28f80628d0..990e3b2e37d59 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -825,7 +825,6 @@ 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)
@@ -874,7 +873,6 @@ static struct page_state {
#undef sc
#undef unevict
#undef mlock
-#undef writeback
#undef lru
#undef head
#undef slab
--
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