From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Perches <joe@perches.com>
Subject: Re: [PATCH] time: tick-sched: use bool for tick_stopped
Date: Fri, 20 Apr 2018 12:24:32 -0700
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Cc: "Rafael J. Wysocki" <rafael@kernel.org>, Linux PM <linux-pm@vger.kernel.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Frederic Weisbecker <fweisbec@gmail.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>, Len Brown <len.brown@intel.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-pm-owner@vger.kernel.org, akpm@linux-foundation.org
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On Fri, 2018-04-20 at 14:44 +0800, yuankuiz@codeaurora.org wrote:
> On 2018-04-20 09:47 AM, yuankuiz@codeaurora.org wrote:
[]
> > [ZJ] Further prototyping has been given based on gcc for both of
> > x86_64 and armv8-a,
> >      unsigned int and bool share the same 1 bytes without the
> > addtional storage for sure.
> >      Open this and welcome if any other difference behaviour could be 
> > captured.
> 
> [ZJ] Typo.. change 4 bytes above to 1 byte actually.

Not really.

unsigned int is 4 and bool is generally 1.
Alignment padding after a bool may exist.