linux-kernel - Re: [PATCH] PM: hibernate: constify attribute

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Date:   Thu, 29 Jun 2017 13:59:41 +0200
From:   Pavel Machek <pavel@....cz>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     rjw@...ysocki.net, len.brown@...el.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PM: hibernate: constify attribute_group structures.

On Thu 2017-06-29 16:58:40, Arvind Yadav wrote:
> attribute_groups are not supposed to change at runtime. All functions
> working with attribute_groups provided by <linux/sysfs.h> work with const
> attribute_group. So mark the non-const structs as const.
> 
> File size before:
>    text	   data	    bss	    dec	    hex	filename
>    6332	    488	    308	   7128	   1bd8	kernel/power/hibernate.o
> 
> File size After adding 'const':
>    text	   data	    bss	    dec	    hex	filename
>    6396	    424	    308	   7128	   1bd8	kernel/power/hibernate.o
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Acked-by: Pavel Machek <pavel@....cz>


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