From e7fcac4cd2674fe6849c6ac8a51a7fc878a5e436 Mon Sep 17 00:00:00 2001 From: Kaixu Xia Date: Mon, 12 Sep 2022 23:11:53 +0800 Subject: [PATCH] mm/damon/sysfs: use the wrapper directly to check if the kdamond is running We can use the 'damon_sysfs_kdamond_running()' wrapper directly to check if the kdamond is running in 'damon_sysfs_turn_damon_on()'. Link: https://lkml.kernel.org/r/1662995513-24489-1-git-send-email-kaixuxia@tencent.com Signed-off-by: Kaixu Xia Reviewed-by: SeongJae Park Reviewed-by: Muchun Song Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index d27dad5..da01bef 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2465,8 +2465,7 @@ static int damon_sysfs_turn_damon_on(struct damon_sysfs_kdamond *kdamond) struct damon_ctx *ctx; int err; - if (kdamond->damon_ctx && - damon_sysfs_ctx_running(kdamond->damon_ctx)) + if (damon_sysfs_kdamond_running(kdamond)) return -EBUSY; if (damon_sysfs_cmd_request.kdamond == kdamond) return -EBUSY; -- 2.7.4