The patch titled
Subject: zsmalloc: add zpool_ops field to zs_pool to store evict handlers
has been added to the -mm mm-unstable branch. Its filename is
zsmalloc-add-zpool_ops-field-to-zs_pool-to-store-evict-handlers.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/zsmalloc-add-zpool_ops-field-to-zs_pool-to-store-evict-handlers.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: Nhat Pham <nphamcs@xxxxxxxxx>
Subject: zsmalloc: add zpool_ops field to zs_pool to store evict handlers
Date: Mon, 28 Nov 2022 11:16:14 -0800
This adds a new field to zs_pool to store evict handlers for writeback,
analogous to the zbud allocator.
Link: https://lkml.kernel.org/r/20221128191616.1261026-6-nphamcs@xxxxxxxxx
Signed-off-by: Nhat Pham <nphamcs@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Dan Streetman <ddstreet@xxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Cc: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Cc: Seth Jennings <sjenning@xxxxxxxxxx>
Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
--- a/mm/zsmalloc.c~zsmalloc-add-zpool_ops-field-to-zs_pool-to-store-evict-handlers
+++ a/mm/zsmalloc.c
@@ -242,6 +242,8 @@ struct zs_pool {
#ifdef CONFIG_ZPOOL
/* List tracking the zspages in LRU order by most recently added object */
struct list_head lru;
+ struct zpool *zpool;
+ const struct zpool_ops *zpool_ops;
#endif
#ifdef CONFIG_ZSMALLOC_STAT
@@ -382,7 +384,14 @@ static void *zs_zpool_create(const char
* different contexts and its caller must provide a valid
* gfp mask.
*/
- return zs_create_pool(name);
+ struct zs_pool *pool = zs_create_pool(name);
+
+ if (pool) {
+ pool->zpool = zpool;
+ pool->zpool_ops = zpool_ops;
+ }
+
+ return pool;
}
static void zs_zpool_destroy(void *pool)
_
Patches currently in -mm which might be from nphamcs@xxxxxxxxx are
zsmalloc-consolidate-zs_pools-migrate_lock-and-size_classs-locks.patch
zsmalloc-add-a-lru-to-zs_pool-to-keep-track-of-zspages-in-lru-order.patch
zsmalloc-add-zpool_ops-field-to-zs_pool-to-store-evict-handlers.patch
zsmalloc-implement-writeback-mechanism-for-zsmalloc.patch
