The patch titled
Subject: mm: zswap: update comment for struct zswap_entry
has been added to the -mm mm-unstable branch. Its filename is
mm-zswap-update-comment-for-struct-zswap_entry.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-zswap-update-comment-for-struct-zswap_entry.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
Subject: mm: zswap: update comment for struct zswap_entry
Date: Tue, 8 Aug 2023 06:20:56 +0000
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has been replaced by swpentry, update the comment for it, and also add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'.
Link: https://lkml.kernel.org/r/20230808062056.292950-1-xiujianfeng@xxxxxxxxxxxxxxx
Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
Reviewed-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
Acked-by: Nhat Pham <nphamcs@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zswap.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/mm/zswap.c~mm-zswap-update-comment-for-struct-zswap_entry
+++ a/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 {
_
Patches currently in -mm which might be from xiujianfeng@xxxxxxxxxx are
mm-zswap-update-comment-for-struct-zswap_entry.patch
