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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Joey Pabalinas <joeypabalinas@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [PATCH v4 7/7] zram: writeback throttle
Date: Mon, 3 Dec 2018 15:11:48 +0900
Message-ID: <20181203061148.GF427@jagdpanzerIV> (raw)
In-Reply-To: <20181203060208.GE427@jagdpanzerIV>

On (12/03/18 15:02), Sergey Senozhatsky wrote:
> Seems like I misread writeback_limit_store() a bit.
> 
> So, if I want to, say, let only 10M of writteback pages, I need to
> do
> 
> 	echo 0 > writeback_limit
> 	echo 10M > writeback_limit_store	// memparse format is for
> 						// simplicity only; I know
> 						// it should be in 4K units.
> 
> every day. How about dropping the "echo 0" and ->stop_writeback?

Ah, this breaks the unlimited writeback.
So, nevermind my comment.

	-ss

  reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-03  2:40 [PATCH v4 0/7] zram idle page writeback Minchan Kim
2018-12-03  2:40 ` [PATCH v4 1/7] zram: fix lockdep warning of free block handling Minchan Kim
2018-12-03  2:40 ` [PATCH v4 2/7] zram: fix double free backing device Minchan Kim
2018-12-03  2:40 ` [PATCH v4 3/7] zram: refactoring flags and writeback stuff Minchan Kim
2018-12-03  2:40 ` [PATCH v4 4/7] zram: introduce ZRAM_IDLE flag Minchan Kim
2018-12-03  2:40 ` [PATCH v4 5/7] zram: support idle/huge page writeback Minchan Kim
2018-12-03  2:40 ` [PATCH v4 6/7] zram: add bd_stat statistics Minchan Kim
2018-12-03  2:40 ` [PATCH v4 7/7] zram: writeback throttle Minchan Kim
2018-12-03  5:50   ` Sergey Senozhatsky
2018-12-03  6:02     ` Sergey Senozhatsky
2018-12-03  6:11       ` Sergey Senozhatsky [this message]
2018-12-04  2:08 ` [PATCH v4 0/7] zram idle page writeback Sergey Senozhatsky

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