diff options
Diffstat (limited to 'mm/damon/stat.c')
| -rw-r--r-- | mm/damon/stat.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/damon/stat.c b/mm/damon/stat.c index 217bde3c53b9f..723bdd673c105 100644 --- a/mm/damon/stat.c +++ b/mm/damon/stat.c @@ -253,6 +253,12 @@ static int damon_stat_start(void) { int err; + if (damon_stat_context) { + if (damon_is_running(damon_stat_context)) + return -EAGAIN; + damon_destroy_ctx(damon_stat_context); + } + damon_stat_context = damon_stat_build_ctx(); if (!damon_stat_context) return -ENOMEM; @@ -269,6 +275,7 @@ static void damon_stat_stop(void) { damon_stop(&damon_stat_context, 1); damon_destroy_ctx(damon_stat_context); + damon_stat_context = NULL; } static int damon_stat_enabled_store( |