Commit bd0fded2 authored by Nhat Pham's avatar Nhat Pham Committed by Andrew Morton
Browse files

zsmalloc: add zpool_ops field to zs_pool to store evict handlers 

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@gmail.com


Signed-off-by: default avatarNhat Pham <nphamcs@gmail.com>
Acked-by: default avatarMinchan Kim <minchan@kernel.org>
Acked-by: default avatarJohannes Weiner <hannes@cmpxchg.org>
Reviewed-by: default avatarSergey Senozhatsky <senozhatsky@chromium.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 64f768c6

mm/zsmalloc.c

+10 −1
Original line number Diff line number Diff line
@@ -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 *name, gfp_t gfp, 
	 * 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)