From: Weijie Yang <weijie.yang@samsung.com>
To: 'Mahendran Ganesh' <opensource.ganesh@gmail.com>
Cc: 'Minchan Kim' <minchan@kernel.org>,
ngupta@vflare.org, sergey.senozhatsky@gmail.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: RE: [PATCH] mm/zram: correct ZRAM_ZERO flag bit position
Date: Thu, 13 Nov 2014 09:27:33 +0800 [thread overview]
Message-ID: <000001cffee1$28362ed0$78a28c70$%yang@samsung.com> (raw)
In-Reply-To: <20141113000216.GA1074@bbox>
On Thu, Nov 13, 2014 at 8:02 AM, Minchan Kim <minchan@kernel.org> wrote:
> On Wed, Nov 12, 2014 at 10:37:18PM +0800, Mahendran Ganesh wrote:
>> In struct zram_table_entry, the element *value* contains obj size and
>> obj zram flags. Bit 0 to bit (ZRAM_FLAG_SHIFT - 1) represent obj size,
>> and bit ZRAM_FLAG_SHIFT to the highest bit of unsigned long represent obj
>> zram_flags. So the first zram flag(ZRAM_ZERO) should be from ZRAM_FLAG_SHIFT
>> instead of (ZRAM_FLAG_SHIFT + 1).
>>
>> This patch fixes this issue.
>>
>> Also this patch fixes a typo, "page in now accessed" -> "page is now accessed"
>>
>> Signed-off-by: Mahendran Ganesh <opensource.ganesh@gmail.com>
> Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Weijie Yang <weijie.yang@samsung.com>
> To be clear about "fixes this issue", it's not a bug but just clean up
> so it doesn't change any behavior.
>
> Thanks!
>
> --
> Kind regards,
> Minchan Kim
> --
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next prev parent reply other threads:[~2014-11-13 1:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 14:37 [PATCH] mm/zram: correct ZRAM_ZERO flag bit position Mahendran Ganesh
2014-11-13 0:02 ` Minchan Kim
2014-11-13 1:27 ` Weijie Yang [this message]
2014-11-13 13:54 ` Ganesh Mahendran
2014-11-13 13:54 ` Ganesh Mahendran
2014-11-13 14:55 ` Sergey Senozhatsky
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