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Message-ID: <20131028024301.GB15642@weiyang.vnet.ibm.com> Date: Mon, 28 Oct 2013 10:43:01 +0800 From: Wei Yang <weiyang@...ux.vnet.ibm.com> To: Tejun Heo <tj@...nel.org> Cc: Wei Yang <weiyang@...ux.vnet.ibm.com>, cl@...ux-foundation.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/3] percpu: little optimization on calculating pcpu_unit_size On Sun, Oct 27, 2013 at 08:36:34AM -0400, Tejun Heo wrote: >On Mon, Oct 21, 2013 at 04:58:13PM +0800, Wei Yang wrote: >> pcpu_unit_size exactly equals to ai->unit_size. >> >> This patch assign this value instead of calculating from pcpu_unit_pages. Also >> it reorder them to make it looks more friendly to audience. > >Ditto. I'd rather not change unless this is clearly better. This one change an assignement to a shift, which in my mind is a little faster. Well, this is just executed once during the boot time, not a big deal. > >Thanks. > >-- >tejun -- Richard Yang Help you, Help me -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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