[PATCH 09/10] mm/damon/sysfs: do not directly access damon_ctx->ops
SJ Park <[email protected]>
| Newsgroups | dev.linux.lists.damon,org.kernel.vger.linux-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
damon_ctx->ops field is intended to be used by only the DAMON core layer. DAMON_SYSFS is directly reading the field to find if it is for physical address monitoring, though. Use the API function for the purpose, damon_target_has_pid(), instead. Signed-off-by: SJ Park <[email protected]> --- mm/damon/sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index 60a1a9e4ada34..228ceb4df5f97 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2051,7 +2051,7 @@ static int damon_sysfs_add_targets(struct damon_ctx *ctx, int i, err; /* Multiple physical address space monitoring targets makes no sense */ - if (ctx->ops.id == DAMON_OPS_PADDR && sysfs_targets->nr > 1) + if (!damon_target_has_pid(ctx) && sysfs_targets->nr > 1) return -EINVAL; for (i = 0; i < sysfs_targets->nr; i++) { -- 2.47.3