From: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
Since commit 0bb488498c98 ("mm: zswap: remove zswap_header"), the
'offset' has been replaced by swpentry, update the comment for it,
and also add comment for 'objcg'.
Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
---
v2: reword the comment
---
mm/zswap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index 5b56d38e7339..1e17f11a7896 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -182,7 +182,7 @@ struct zswap_pool {
* page within zswap.
*
* rbnode - links the entry into red-black tree for the appropriate swap type
- * offset - the swap offset for the entry. Index into the red-black tree.
+ * swpentry - associated swap entry, the offset indexes into the red-black tree
* refcount - the number of outstanding reference to the entry. This is needed
* to protect against premature freeing of the entry by code
* concurrent calls to load, invalidate, and writeback. The lock
@@ -195,6 +195,7 @@ struct zswap_pool {
* pool - the zswap_pool the entry's data is in
* handle - zpool allocation handle that stores the compressed page data
* value - value of the same-value filled pages which have same content
+ * objcg - the obj_cgroup that the compressed memory is charged to
* lru - handle to the pool's lru used to evict pages.
*/
struct zswap_entry {
--
2.34.1
