Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Fri, 18 Oct 2019 15:02:05 +0200
From:   Michal Hocko <mhocko@kernel.org>
To:     Mel Gorman <mgorman@techsingularity.net>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Vlastimil Babka <vbabka@suse.cz>,
        Thomas Gleixner <tglx@linutronix.de>,
        Matt Fleming <matt@codeblueprint.co.uk>,
        Borislav Petkov <bp@alien8.de>, Linux-MM <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] mm, pcpu: Make zone pcp updates and reset internal
 to the mm
Message-ID: <20191018130205.GQ5017@dhcp22.suse.cz>
References: <20191018105606.3249-1-mgorman@techsingularity.net>
 <20191018105606.3249-4-mgorman@techsingularity.net>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20191018105606.3249-4-mgorman@techsingularity.net>
User-Agent: Mutt/1.10.1 (2018-07-13)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri 18-10-19 11:56:06, Mel Gorman wrote:
> Memory hotplug needs to be able to reset and reinit the pcpu allocator
> batch and high limits but this action is internal to the VM. Move
> the declaration to internal.h
> 
> Signed-off-by: Mel Gorman <mgorman@techsingularity.net>

Acked-by: Michal Hocko <mhocko@suse.com>

> ---
>  include/linux/mm.h | 3 ---
>  mm/internal.h      | 3 +++
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index cc292273e6ba..22d6104f2341 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2219,9 +2219,6 @@ void warn_alloc(gfp_t gfp_mask, nodemask_t *nodemask, const char *fmt, ...);
>  
>  extern void setup_per_cpu_pageset(void);
>  
> -extern void zone_pcp_update(struct zone *zone);
> -extern void zone_pcp_reset(struct zone *zone);
> -
>  /* page_alloc.c */
>  extern int min_free_kbytes;
>  extern int watermark_boost_factor;
> diff --git a/mm/internal.h b/mm/internal.h
> index 0d5f720c75ab..0a3d41c7b3c5 100644
> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -165,6 +165,9 @@ extern void post_alloc_hook(struct page *page, unsigned int order,
>  					gfp_t gfp_flags);
>  extern int user_min_free_kbytes;
>  
> +extern void zone_pcp_update(struct zone *zone);
> +extern void zone_pcp_reset(struct zone *zone);
> +
>  #if defined CONFIG_COMPACTION || defined CONFIG_CMA
>  
>  /*
> -- 
> 2.16.4
> 

-- 
Michal Hocko
SUSE Labs