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 2/6] zpool: clean out dead code
Date: Tue, 22 Nov 2022 10:46:20 +0900 [thread overview]
Message-ID: <Y3wp7IiVkq032pmi@google.com> (raw)
In-Reply-To: <20221119001536.2086599-3-nphamcs@gmail.com>
On (22/11/18 16:15), Nhat Pham wrote:
> There is a lot of provision for flexibility that isn't actually needed
> or used. Zswap (the only zpool user) always passes zpool_ops with an
> .evict method set. The backends who reclaim only do so for zswap, so
> they can also directly call zpool_ops without indirection or checks.
>
> Finally, there is no need to check the retries parameters and bail
> with -EINVAL in the reclaim function, when that's called just a few
> lines below with a hard-coded 8. There is no need to duplicate the
> evictable and sleep_mapped attrs from the driver in zpool_ops.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
next prev parent reply other threads:[~2022-11-22 1:46 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 [this message]
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
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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