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@xxxxxxxxxxxxxxxxx> Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: linux-mm@xxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- 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