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Message-Id: <C4A55B5E-47A5-454A-AB90-AB52DF42CD88@oracle.com>
Date:   Wed, 30 Jan 2019 03:59:52 -0700
From:   William Kucharski <william.kucharski@...cle.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     kernel list <linux-kernel@...r.kernel.org>,
        xen-devel@...ts.xenproject.org, x86@...nel.org, linux-mm@...ck.org,
        boris.ostrovsky@...cle.com, sstabellini@...nel.org, hpa@...or.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de
Subject: Re: [PATCH v2 2/2] x86/xen: dont add memory above max allowed
 allocation



> On Jan 30, 2019, at 1:22 AM, Juergen Gross <jgross@...e.com> wrote:
> 
> +#ifdef CONFIG_MEMORY_HOTPLUG
> +			/*
> +			 * Don't allow adding memory not in E820 map while
> +			 * booting the system. Once the balloon driver is up
> +			 * it will remove that restriction again.
> +			 */
> +			max_mem_size = xen_e820_table.entries[i].addr +
> +				       xen_e820_table.entries[i].size;
> +#endif
> 		}
> 
> 		if (!discard)

Reviewed-by: William Kucharski <william.kucharski@...cle.com>

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