Re: [PATCH 23/10]Optimize the upload speed for PPP connection.

[fangxiaozhi 00110321 <huananhu@huawei.com>]

Dear All:

    Excuse me, how about my patch now?
    
    Will my patch be fixed in the newest kernel version? What version is it?


Best Regards,

Franko Fang
2009-11-17
----- 原邮件 -----
发件人: fangxiaozhi 00110321 <huananhu@huawei.com>
日期: 星期三, 十月 28日, 2009 下午3:30
主题: Re: PATCH 23/10]Optimize the upload speed for PPP connection.
收件人: davem@davemloft.net,william.allen.simpson@gmail.com
抄送: netdev@vger.kernel.org,kernel@vger.kernel.org,zihan@huawei.com, greg@kroah.com,haegar@sdinet.de

> 
> Thanks your advice.
> 
> But generally, PAGE_SIZE is 4096, whether it is too large or not?
> 
> If PAGE_SIZE is really appropriate, then I can resubmit the patch.
> 
> Thanks very much.
> ----- Original Message ----- 
> From: "David Miller" <davem@davemloft.net>
> To: <william.allen.simpson@gmail.com>
> Cc: <huananhu@huawei.com>; <netdev@vger.kernel.org>; <linux-
> kernel@vger.kernel.org>; <zihan@huawei.com>; <greg@kroah.com>; 
> <haegar@sdinet.de>Sent: Saturday, October 24, 2009 9:46 PM
> Subject: Re: PATCH 23/10]Optimize the upload speed for PPP connection.
> 
> 
> > From: William Allen Simpson <william.allen.simpson@gmail.com>
> > Date: Fri, 23 Oct 2009 07:46:08 -0400
> > 
> >> Concur.  I'd go further than that, my code usually made room 
> for at
> >> least
> >> a full MTU (MRU) with HDLC escaping.  To minimize context switches,
> >> that
> >> should be 3014 ((1500 MRU + 2 FCS + 4 header) * 2 escapes + 2 
> flags).>> 
> >> Even in the old days, when memory was tight, context switches and
> >> interrupt
> >> time were more expensive, too.  PPP is supposed to scale to OC-192.
> > 
> > Actually I'd like to see ->obuf allocated externally and then
> > make it simply PAGE_SIZE.
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