linux-kernel - Re: [PATCH] uapi: linux: acct: Remove redundant type comp2

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Message-Id: <20161020204122.2afc9264b4671add55112fe7@linux-foundation.org>
Date:   Thu, 20 Oct 2016 20:41:22 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     chengang@...ndsoft.com.cn
Cc:     dhowells@...hat.com, linux-kernel@...r.kernel.org,
        Chen Gang <gang.chen.5i5j@...il.com>
Subject: Re: [PATCH] uapi: linux: acct: Remove redundant type comp2_t from
 kernel

On Wed,  5 Oct 2016 21:40:10 +0800 chengang@...ndsoft.com.cn wrote:

> In api itself, kernel does not use it -- it is divided into ac_etime_hi
> and ac_etime_lo. So kernel side only need generate the correct
> ac_etime_hi and ac_etime_lo, but need not know about comp2_t.
> 
> At present, kernel use normal u64 type for it, when kernel provdes it to
> outside, kernel can translate it into ac_etime_hi and ac_etime_lo,
> directly, but need not notice about comp2_t, in fact.

hm.  Why is this an improvement?