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Subject: Re: [PATCH] arm64: mm: free unused memmap for sparse memory model
 that define VMEMMAP
To:     Wei Li <liwei213@huawei.com>, catalin.marinas@arm.com,
        will@kernel.org
Cc:     song.bao.hua@hisilicon.com, sujunfei2@hisilicon.com,
        saberlily.xia@hisilicon.com, linux-arm-kernel@lists.infradead.org,
        steve.capper@arm.com, puck.chen@hisilicon.com,
        linux-kernel@vger.kernel.org, rppt@linux.ibm.com,
        fengbaopeng2@hisilicon.com, nsaenzjulienne@suse.de,
        butao@hisilicon.com
References: <20200721073203.107862-1-liwei213@huawei.com>
From:   Anshuman Khandual <anshuman.khandual@arm.com>
Message-ID: <dce65cf2-399b-28a7-8375-c8d5a69a9c81@arm.com>
Date:   Thu, 23 Jul 2020 08:03:13 +0530
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On 07/21/2020 01:02 PM, Wei Li wrote:
> For the memory hole, sparse memory model that define SPARSEMEM_VMEMMAP
> do not free the reserved memory for the page map, this patch do it.
> 
> Signed-off-by: Wei Li <liwei213@huawei.com>
> Signed-off-by: Chen Feng <puck.chen@hisilicon.com>
> Signed-off-by: Xia Qing <saberlily.xia@hisilicon.com>
> ---
>  arch/arm64/mm/init.c | 81 +++++++++++++++++++++++++++++++++++++++++++++-------
>  1 file changed, 71 insertions(+), 10 deletions(-)

This patch does not compile on 5.8-rc6 with defconfig.