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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>,
	linux-kernel@vger.kernel.org, kernel-team@lge.com,
	stable@vger.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [PATCH 1/3] zram: fix operator precedence to get offset
Date: Mon, 17 Apr 2017 10:54:29 +0900	[thread overview]
Message-ID: <20170417015429.GE518@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <20170417012105.GA518@jagdpanzerIV.localdomain>

On (04/17/17 10:21), Sergey Senozhatsky wrote:
> > However, it should be *fixed* to prevent confusion in future

or may be something like below? can save us some cycles.

remove this calculation

-       offset = sector & (SECTORS_PER_PAGE - 1) << SECTOR_SHIFT;


and pass 0 to zram_bvec_rw()

-       err = zram_bvec_rw(zram, &bv, index, offset, is_write);
+       err = zram_bvec_rw(zram, &bv, index, 0, is_write);


	-ss

  reply	other threads:[~2017-04-17  1:54 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-13  0:17 [PATCH 1/3] zram: fix operator precedence to get offset Minchan Kim
2017-04-13  0:17 ` [PATCH 2/3] zram: do not use copy_page with non-page alinged address Minchan Kim
2017-04-14  5:41   ` Sergey Senozhatsky
2017-04-14 15:40     ` Minchan Kim
2017-04-17  1:48   ` Sergey Senozhatsky
2017-04-13  0:17 ` [PATCH 3/3] zsmalloc: expand class bit Minchan Kim
2017-04-13  0:17   ` Minchan Kim
2017-04-13  0:17   ` Minchan Kim
2017-04-14  5:07 ` [PATCH 1/3] zram: fix operator precedence to get offset Sergey Senozhatsky
2017-04-14 15:33   ` Minchan Kim
2017-04-17  1:21     ` Sergey Senozhatsky
2017-04-17  1:54       ` Sergey Senozhatsky [this message]
2017-04-17  2:14         ` Minchan Kim
2017-04-17 10:50           ` Sergey Senozhatsky
2017-04-17 10:53             ` Sergey Senozhatsky
2017-04-17 23:53             ` Minchan Kim
2017-04-18  1:53               ` Sergey Senozhatsky
2017-04-18  2:47                 ` Minchan Kim
2017-04-17  1:21 ` Sergey Senozhatsky

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