diff options
| -rw-r--r-- | mm/damon/sysfs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 3db4da88fc72..e3858ffab4b2 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2094,14 +2094,16 @@ static inline bool damon_sysfs_kdamond_running( static int damon_sysfs_apply_inputs(struct damon_ctx *ctx, struct damon_sysfs_context *sys_ctx) { + enum damon_ops_id ops_id; int err; - err = damon_select_ops(ctx, sys_ctx->ops_id); + ops_id = READ_ONCE(sys_ctx->ops_id); + err = damon_select_ops(ctx, ops_id); if (err) return err; ctx->addr_unit = READ_ONCE(sys_ctx->addr_unit); /* addr_unit is respected by only DAMON_OPS_PADDR */ - if (sys_ctx->ops_id == DAMON_OPS_PADDR) + if (ops_id == DAMON_OPS_PADDR) ctx->min_region_sz = max( DAMON_MIN_REGION_SZ / ctx->addr_unit, 1); ctx->pause = sys_ctx->pause; |