From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Yuwen Chen <ywen.chen@foxmail.com>
Cc: senozhatsky@chromium.org, akpm@linux-foundation.org,
bgeffon@google.com, licayy@outlook.com,
linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, minchan@kernel.org, richardycc@google.com
Subject: Re: [RFC PATCHv5 0/6] zram: introduce writeback bio batching
Date: Sat, 20 Dec 2025 20:14:22 +0900 [thread overview]
Message-ID: <qn4kjdsbi4h4sw64epms3sne2xua4ucpx5p6wkwbuxt4ihhwfx@db6fy33jmwqt> (raw)
In-Reply-To: <tencent_D7ED79431EC0D75957539121B7CC7897EB06@qq.com>
Fixed Subject line.
On (25/11/24 10:15), Yuwen Chen wrote:
> Subject: Re: [RFC PATCHv5 0/6] zram: introduce writeback bio batching
>
> On Fri, 21 Nov 2025 18:12:29 +0900, Sergey Senozhatsky wrote:
> > I had a version of the patch that had different main loop. It would
> > always first complete finished requests. I think this one will give
> > accurate ->inflight number.
>
> Using the following patch, the final measured result is 32. Using 32
> here might be a relatively reasonable value.
>
> /* XXX: should be a per-device sysfs attr */
> -#define ZRAM_WB_REQ_CNT 32
> +#define ZRAM_WB_REQ_CNT 64
Sorry, do you suggest to change default value to 64 or are you
happy with 32?
prev parent reply other threads:[~2025-12-20 11:14 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 15:21 Sergey Senozhatsky
2025-11-20 15:21 ` [RFC PATCHv5 1/6] " Sergey Senozhatsky
2025-11-21 7:05 ` Yuwen Chen
2025-11-21 7:18 ` Sergey Senozhatsky
2025-11-21 7:40 ` Hannes Reinecke
2025-11-21 7:47 ` Sergey Senozhatsky
2025-11-20 15:21 ` [RFC PATCHv5 2/6] zram: add writeback batch size device attr Sergey Senozhatsky
2025-11-20 15:57 ` Brian Geffon
2025-11-21 1:56 ` Sergey Senozhatsky
2025-11-21 2:48 ` Sergey Senozhatsky
2025-11-20 15:21 ` [RFC PATCHv5 3/6] zram: take write lock in wb limit store handlers Sergey Senozhatsky
2025-11-20 16:03 ` Brian Geffon
2025-11-20 15:21 ` [RFC PATCHv5 4/6] zram: drop wb_limit_lock Sergey Senozhatsky
2025-11-20 16:03 ` Brian Geffon
2025-11-20 15:21 ` [RFC PATCHv5 5/6] zram: rework bdev block allocation Sergey Senozhatsky
2025-11-20 16:35 ` Brian Geffon
2025-11-20 15:21 ` [RFC PATCHv5 6/6] zram: read slot block idx under slot lock Sergey Senozhatsky
2025-11-20 18:13 ` Brian Geffon
2025-11-24 14:49 ` Brian Geffon
2025-11-21 7:14 ` [RFC PATCHv5 0/6] zram: introduce writeback bio batching Yuwen Chen
2025-11-21 7:32 ` Sergey Senozhatsky
2025-11-21 7:44 ` Yuwen Chen
2025-11-21 7:58 ` Sergey Senozhatsky
2025-11-21 8:23 ` Yuwen Chen
2025-11-21 9:12 ` Sergey Senozhatsky
2025-11-21 12:21 ` Gao Xiang
2025-11-21 12:43 ` Gao Xiang
2025-11-22 10:07 ` Sergey Senozhatsky
2025-11-22 12:24 ` Gao Xiang
2025-11-22 13:43 ` Sergey Senozhatsky
2025-11-22 14:09 ` Gao Xiang
2025-11-23 0:08 ` Sergey Senozhatsky
2025-11-23 1:23 ` Gao Xiang
2025-11-23 3:07 ` Sergey Senozhatsky
2025-11-23 0:22 ` Sergey Senozhatsky
2025-11-23 1:39 ` Gao Xiang
[not found] ` <tencent_D7ED79431EC0D75957539121B7CC7897EB06@qq.com>
2025-12-20 11:14 ` Sergey Senozhatsky [this message]
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