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Re: [PATCH net-next] net: hns: optimize XGE capability by reducing cpu usage

From "Yankejian (Hackim Yim)" <yankejian@huawei.com>
Newsgroups linux.kernel
Subject Re: [PATCH net-next] net: hns: optimize XGE capability by reducing cpu usage
Date 2015-12-07 10:00 +0100
Message-ID <qCZOh-2cf-1@gated-at.bofh.it> (permalink)
References <qCfip-5IW-7@gated-at.bofh.it> <qCUEV-7tC-5@gated-at.bofh.it> <qCUOB-7x0-1@gated-at.bofh.it>
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On 2015/12/7 11:32, Joe Perches wrote:
> On Sun, 2015-12-06 at 22:29 -0500, David Miller wrote:
>> > From: yankejian <yankejian@huawei.com>
>> > Date: Sat, 5 Dec 2015 15:32:29 +0800
>> > 
>>> > > +#if (PAGE_SIZE < 8192)
>>> > > +     if (hnae_buf_size(ring) == HNS_BUFFER_SIZE_2048) {
>>> > > +             truesize = hnae_buf_size(ring);
>>> > > +     } else {
>>> > > +             truesize = ALIGN(size, L1_CACHE_BYTES);
>>> > > +             last_offset = hnae_page_size(ring) - hnae_buf_size(ring);
>>> > > +     }
>>> > > +
>>> > > +#else
>>> > > +             truesize = ALIGN(size, L1_CACHE_BYTES);
>>> > > +             last_offset = hnae_page_size(ring) - hnae_buf_size(ring);
>>> > > +#endif
>> > 
>> > This is not indented properly, and it looks terrible.
> And it makes one curious as to why last_offset isn't set
> in the first block.

Hi Joe,
if hnae_buf_size que equal to HNS_BUFFER_SIZE, last_offset is useless in the routines of this function.
so it is ignored in the first block. thanks for your suggestion.

Best regards,
yankejian


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Thread

[PATCH net-next] net: hns: optimize XGE capability by reducing cpu usage yankejian <yankejian@huawei.com> - 2015-12-05 08:20 +0100
  Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage David Miller <davem@davemloft.net> - 2015-12-07 04:30 +0100
    Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage Joe Perches <joe@perches.com> - 2015-12-07 04:40 +0100
      Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Yankejian (Hackim Yim)" <yankejian@huawei.com> - 2015-12-07 10:00 +0100
        Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage Joe Perches <joe@perches.com> - 2015-12-07 10:10 +0100
          Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Yankejian (Hackim Yim)" <yankejian@huawei.com> - 2015-12-07 10:30 +0100
    Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Yankejian (Hackim Yim)" <yankejian@huawei.com> - 2015-12-07 09:40 +0100
  Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Du, Fan" <fan.du@intel.com> - 2015-12-07 10:00 +0100
    Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Yankejian (Hackim Yim)" <yankejian@huawei.com> - 2015-12-08 07:30 +0100
      Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Du, Fan" <fan.du@intel.com> - 2015-12-08 07:40 +0100
        Re: [PATCH net-next] net: hns: optimize XGE capability by reducing  cpu usage "Yankejian (Hackim Yim)" <yankejian@huawei.com> - 2015-12-08 08:00 +0100

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