[RFC PATCH 01/10] mm/damon/core: hide private damon_region fields

[SJ Park <sj@kernel.org>]

damon_region->list is intended to be used by only the DAMON core layer.
But it is mistakenly not marked as private.  Hide it from the callers by
marking it private.

Signed-off-by: SJ Park <sj@kernel.org>
---
 include/linux/damon.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/include/linux/damon.h b/include/linux/damon.h
index f69442a9d4312..d32377e7e535e 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -46,7 +46,6 @@ struct damon_size_range {
  * @sampling_addr:	Address of the sample for the next access check.
  * @nr_accesses:	Access frequency of this region.
  * @probe_hits:		Number of probe-positive region samples.
- * @list:		List head for siblings.
  * @age:		Age of this region.
  *
  * For any use case, @ar should be non-zero positive size.  damon_set_regions()
@@ -68,9 +67,11 @@ struct damon_region {
 	unsigned long sampling_addr;
 	unsigned int nr_accesses;
 	unsigned char probe_hits[DAMON_MAX_PROBES];
-	struct list_head list;
 	unsigned int age;
-/* private: Internal value for age calculation. */
+/* private: internal use only. */
+	/* List head for siblings. */
+	struct list_head list;
+	/* for age calculation. */
 	unsigned int last_nr_accesses;
 	unsigned char last_probe_hits[DAMON_MAX_PROBES];
 };
-- 
2.47.3