From 2e7d31704c7fe9141b0b27ec1ece254d9993fe2d Mon Sep 17 00:00:00 2001 From: zhong jiang <zhongjiang@huawei.com> Date: Wed, 4 Dec 2019 16:49:43 -0800 Subject: [PATCH] mm/kasan/common.c: fix compile error I hit the following compile error in arch/x86/ mm/kasan/common.c: In function kasan_populate_vmalloc: mm/kasan/common.c:797:2: error: implicit declaration of function flush_cache_vmap; did you mean flush_rcu_work? [-Werror=implicit-function-declaration] flush_cache_vmap(shadow_start, shadow_end); ^~~~~~~~~~~~~~~~ flush_rcu_work cc1: some warnings being treated as errors Link: http://lkml.kernel.org/r/1575363013-43761-1-git-send-email-zhongjiang@huawei.com Fixes: 3c5c3cfb9ef4 ("kasan: support backing vmalloc space with real shadow memory") Signed-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Daniel Axtens <dja@axtens.net> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- mm/kasan/common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index df3371d5c5724a..2fa710bb6358a7 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -36,6 +36,7 @@ #include <linux/bug.h> #include <linux/uaccess.h> +#include <asm/cacheflush.h> #include <asm/tlbflush.h> #include "kasan.h"