From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Subject: Re: [RFC PATCH v2, part4 09/39] mm: use totalram_pages instead of
 num_physpages at runtime
Date: Sun, 24 Mar 2013 16:26:54 +0400
Message-ID: <514EF10E.6070506@cogentembedded.com>
References: <1364109934-7851-1-git-send-email-jiang.liu@huawei.com> <1364109934-7851-11-git-send-email-jiang.liu@huawei.com>
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Cc: Andrew Morton <akpm@linux-foundation.org>,
 David Rientjes <rientjes@google.com>,
 Jiang Liu <jiang.liu@huawei.com>, Wen Congyang <wency@cn.fujitsu.com>,
 Mel Gorman <mgorman@suse.de>,
 Minchan Kim <minchan@kernel.org>,
 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
 Michal Hocko <mhocko@suse.cz>, Jianguo Wu <wujianguo@huawei.com>,
 linux-mm@kvack.org, linux-kernel@vger.kernel.org,
 Miklos Szeredi <miklos@szeredi.hu>,
 "David S. Miller" <davem@davemloft.net>,
 Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
 James Morris <jmorris@namei.org>,
 Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
 Patrick McHardy <kaber@trash.net>, fuse-devel@lists.sourceforge.net,
 netdev@vger.kernel.org
To: Jiang Liu <liuj97@gmail.com>
Return-path: <owner-linux-mm@kvack.org>
In-Reply-To: <1364109934-7851-11-git-send-email-jiang.liu@huawei.com>
Sender: owner-linux-mm@kvack.org
List-Id: netdev.vger.kernel.org

Hello.

On 24-03-2013 11:24, Jiang Liu wrote:

> The global variable num_physpages is scheduled to be removed, so use
> totalram_pages instead of num_physpages at runtime.

> Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
> Cc: Miklos Szeredi <miklos@szeredi.hu>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
> Cc: James Morris <jmorris@namei.org>
> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
> Cc: Patrick McHardy <kaber@trash.net>
> Cc: fuse-devel@lists.sourceforge.net
> Cc: linux-kernel@vger.kernel.org
> Cc: netdev@vger.kernel.org
[...]

> diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
> index 4750d2b..94a99a1 100644
> --- a/net/ipv4/inet_fragment.c
> +++ b/net/ipv4/inet_fragment.c
> @@ -60,7 +60,7 @@ void inet_frags_init(struct inet_frags *f)
>
>   	rwlock_init(&f->lock);
>
> -	f->rnd = (u32) ((num_physpages ^ (num_physpages>>7)) ^
> +	f->rnd = (u32) ((totalram_pages ^ (totalram_pages>>7)) ^

    Wouldn't hurt to add spaces around >> for consistency's sake.

>   				   (jiffies ^ (jiffies >> 6)));
>
>   	setup_timer(&f->secret_timer, inet_frag_secret_rebuild,

WBR, Sergei

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