From: Jesper Juhl <jj@chaosbits.net>
To: Daniel Kiper <dkiper@net-space.pl>
Cc: ian.campbell@citrix.com, akpm@linux-foundation.org,
andi.kleen@intel.com, haicheng.li@linux.intel.com,
fengguang.wu@intel.com, jeremy@goop.org, konrad.wilk@oracle.com,
dan.magenheimer@oracle.com, v.tolstov@selfip.ru, pasik@iki.fi,
dave@linux.vnet.ibm.com, wdauchy@gmail.com, rientjes@google.com,
xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH 1/3] mm: Optimize pfn calculation in online_page()
Date: Tue, 29 Mar 2011 00:44:39 +0200 (CEST) [thread overview]
Message-ID: <alpine.LNX.2.00.1103290043480.23292@swampdragon.chaosbits.net> (raw)
In-Reply-To: <20110328092310.GB13826@router-fw-old.local.net-space.pl>
On Mon, 28 Mar 2011, Daniel Kiper wrote:
> If CONFIG_FLATMEM is enabled pfn is calculated in online_page()
> more than once. It is possible to optimize that and use value
> established at beginning of that function.
>
> Signed-off-by: Daniel Kiper <dkiper@net-space.pl>
This looks sane to me.
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
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prev parent reply other threads:[~2011-03-28 22:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 9:23 Daniel Kiper
2011-03-28 15:24 ` Dave Hansen
2011-03-28 22:41 ` David Rientjes
2011-03-28 22:44 ` Jesper Juhl [this message]
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