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mm/damon/sysfs: use the wrapper directly to check if the kdamond is running

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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 <kaixuxia@tencent.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kaixu Xia 2022-09-12 23:11:53 +08:00 committed by Andrew Morton
parent a17a8b3b3e
commit e7fcac4cd2
1 changed files with 1 additions and 2 deletions
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3
mm/damon/sysfs.c
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@ -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;