[PATCH] arm64: mm: free unused memmap for sparse memory model that define VMEMMAP

[Anshuman Khandual]

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 at huawei.com>
> Signed-off-by: Chen Feng <puck.chen at hisilicon.com>
> Signed-off-by: Xia Qing <saberlily.xia at 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.