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Subject: Re: [PATCH 2/3] xen/ballon: Avoid calling dummy function
 __online_page_set_limits()
To:     Souptick Joarder <jrdr.linux@gmail.com>, kys@microsoft.com,
        haiyangz@microsoft.com, sthemmin@microsoft.com, sashal@kernel.org,
        boris.ostrovsky@oracle.com, jgross@suse.com,
        sstabellini@kernel.org, akpm@linux-foundation.org,
        osalvador@suse.com, mhocko@suse.com, pasha.tatashin@soleen.com,
        dan.j.williams@intel.com, richard.weiyang@gmail.com, cai@lca.pw
Cc:     linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
References: <cover.1567889743.git.jrdr.linux@gmail.com>
 <854db2cf8145d9635249c95584d9a91fd774a229.1567889743.git.jrdr.linux@gmail.com>
From:   David Hildenbrand <david@redhat.com>
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Organization: Red Hat GmbH
Message-ID: <2cb8666a-166b-5391-bc83-cc90eb4c87b9@redhat.com>
Date:   Mon, 9 Sep 2019 09:54:23 +0200
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On 07.09.19 23:47, Souptick Joarder wrote:
> __online_page_set_limits() is a dummy function and an extra call
> to this function can be avoided.
> 
> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
> ---
>  drivers/xen/balloon.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
> index 4e11de6..05b1f7e 100644
> --- a/drivers/xen/balloon.c
> +++ b/drivers/xen/balloon.c
> @@ -376,7 +376,6 @@ static void xen_online_page(struct page *page, unsigned int order)
>  	mutex_lock(&balloon_mutex);
>  	for (i = 0; i < size; i++) {
>  		p = pfn_to_page(start_pfn + i);
> -		__online_page_set_limits(p);
>  		__SetPageOffline(p);
>  		__balloon_append(p);
>  	}
> 

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 

Thanks,

David / dhildenb