From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Subject: 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] Link: https://lkml.kernel.org/r/1599715096-20369-1-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory-failure.c | 2 -- 1 file changed, 2 deletions(-) --- a/mm/memory-failure.c~mm-remove-unused-marco-writeback +++ a/mm/memory-failure.c @@ -825,7 +825,6 @@ static int me_huge_page(struct page *p, #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 _
