From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Nhat Pham <nphamcs@gmail.com>
Cc: akpm@linux-foundation.org, hannes@cmpxchg.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
minchan@kernel.org, ngupta@vflare.org, senozhatsky@chromium.org,
sjenning@redhat.com, ddstreet@ieee.org, vitaly.wool@konsulko.com
Subject: Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
Date: Tue, 22 Nov 2022 10:52:58 +0900 [thread overview]
Message-ID: <Y3wreqR1IRWFtSUz@google.com> (raw)
In-Reply-To: <20221119001536.2086599-5-nphamcs@gmail.com>
On (22/11/18 16:15), Nhat Pham wrote:
[..]
> @@ -1249,6 +1267,15 @@ void *zs_map_object(struct zs_pool *pool, unsigned long handle,
> obj_to_location(obj, &page, &obj_idx);
> zspage = get_zspage(page);
>
> +#ifdef CONFIG_ZPOOL
> + /* Move the zspage to front of pool's LRU */
> + if (mm == ZS_MM_WO) {
> + if (!list_empty(&zspage->lru))
> + list_del(&zspage->lru);
> + list_add(&zspage->lru, &pool->lru);
> + }
> +#endif
Do we consider pages that were mapped for MM_RO/MM_RW as cold?
I wonder why, we use them, so technically they are not exactly
"least recently used".
next prev parent reply other threads:[~2022-11-22 1:53 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-19 0:15 [PATCH v6 0/6] Implement writeback for zsmalloc Nhat Pham
2022-11-19 0:15 ` [PATCH v6 1/6] zswap: fix writeback lock ordering " Nhat Pham
2022-11-22 1:43 ` Sergey Senozhatsky
2022-11-19 0:15 ` [PATCH v6 2/6] zpool: clean out dead code Nhat Pham
2022-11-22 1:46 ` Sergey Senozhatsky
2022-11-19 0:15 ` [PATCH v6 3/6] zsmalloc: Consolidate zs_pool's migrate_lock and size_class's locks Nhat Pham
2022-11-19 0:15 ` [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order Nhat Pham
2022-11-19 16:38 ` Johannes Weiner
2022-11-19 17:34 ` Minchan Kim
2022-11-22 1:52 ` Sergey Senozhatsky [this message]
2022-11-22 17:42 ` Johannes Weiner
2022-11-23 3:50 ` Sergey Senozhatsky
2022-11-23 8:02 ` Yosry Ahmed
2022-11-23 8:11 ` Yosry Ahmed
2022-11-23 16:30 ` Johannes Weiner
2022-11-24 3:29 ` Sergey Senozhatsky
2022-11-24 3:21 ` Sergey Senozhatsky
2022-11-23 3:58 ` Sergey Senozhatsky
2022-11-19 0:15 ` [PATCH v6 5/6] zsmalloc: Add zpool_ops field to zs_pool to store evict handlers Nhat Pham
2022-11-19 16:39 ` Johannes Weiner
2022-11-22 1:11 ` Sergey Senozhatsky
2022-11-19 0:15 ` [PATCH v6 6/6] zsmalloc: Implement writeback mechanism for zsmalloc Nhat Pham
2022-11-19 16:45 ` Johannes Weiner
2022-11-19 17:35 ` Minchan Kim
2022-11-22 1:40 ` Sergey Senozhatsky
2022-11-22 2:00 ` Sergey Senozhatsky
2022-11-22 2:15 ` Sergey Senozhatsky
2022-11-22 3:12 ` Johannes Weiner
2022-11-22 3:42 ` Sergey Senozhatsky
2022-11-22 6:09 ` Johannes Weiner
2022-11-22 6:35 ` Sergey Senozhatsky
2022-11-22 7:10 ` Johannes Weiner
2022-11-22 7:19 ` Sergey Senozhatsky
2022-11-22 6:37 ` Sergey Senozhatsky
2022-11-23 16:30 ` Nhat Pham
2022-11-23 17:27 ` Johannes Weiner
2022-11-23 17:18 ` Johannes Weiner
2022-11-21 19:29 ` [PATCH v6 0/6] Implement writeback " Nhat Pham
2022-11-23 19:26 ` Nhat Pham
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