From: Minchan Kim <minchan@kernel.org>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Hugh Dickins <hughd@google.com>,
Seth Jennings <sjenning@linux.vnet.ibm.com>,
Nitin Gupta <ngupta@vflare.org>, Shaohua Li <shli@kernel.org>,
Dan Magenheimer <dan.magenheimer@oracle.com>
Subject: Re: [PATCH v3] mm: remove compressed copy from zram in-memory
Date: Fri, 10 May 2013 17:44:13 +0900 [thread overview]
Message-ID: <20130510084413.GA2683@blaptop> (raw)
In-Reply-To: <20130509201540.GB5273@localhost.localdomain>
Hi Konrad,
On Thu, May 09, 2013 at 04:15:42PM -0400, Konrad Rzeszutek Wilk wrote:
> On Thu, May 09, 2013 at 08:41:57AM +0900, Minchan Kim wrote:
>
> Hey Michan,
^-n
It's a only thing I can know better than other native speakers. :)
> Just a couple of syntax corrections. The code comment could also
> benefit from this.
>
> Otherwise it looks OK to me.
>
> > Swap subsystem does lazy swap slot free with expecting the page
> ^-a ^- the expectation that
> > would be swapped out again so we can avoid unnecessary write.
> ^--that it
> >
> > But the problem in in-memory swap(ex, zram) is that it consumes
> ^^-with
> > memory space until vm_swap_full(ie, used half of all of swap device)
> > condition meet. It could be bad if we use multiple swap device,
> ^- 'is' ^^^^^ - 'would' ^^^^^-devices
> > small in-memory swap and big storage swap or in-memory swap alone.
> ^-, ^-,
> >
> > This patch makes swap subsystem free swap slot as soon as swap-read
> > is completed and make the swapcache page dirty so the page should
> ^-makes ^-'that the'
> > be written out the swap device to reclaim it.
> > It means we never lose it.
> >
> > I tested this patch with kernel compile workload.
> ^-a
Thanks for the correct whole sentence!
But Andrew alreay correted it with his style.
Although he was done, I'm giving a million thanks to you.
Surely, Thanks Andrew, too.
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2013-05-10 8:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-08 23:41 [PATCH v3] mm: remove compressed copy from zram in-memory Minchan Kim
2013-05-09 20:15 ` Konrad Rzeszutek Wilk
2013-05-10 8:44 ` Minchan Kim [this message]
2013-05-11 1:18 ` Konrad Rzeszutek Wilk
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