> -----Original Message-----
> From: liwei (CM)
> Sent: Wednesday, July 8, 2020 1:56 PM
> To: catalin.mari...@arm.com; w...@kernel.org
> Cc: liwei (CM) <liwei...@huawei.com>; fengbaopeng
> <fengbaope...@hisilicon.com>; nsaenzjulie...@suse.de;
> steve.cap...@arm.com; r...@linux.ibm.com; Song Bao Hua (Barry Song)
> <song.bao....@hisilicon.com>; linux-arm-ker...@lists.infradead.org;
> linux-kernel@vger.kernel.org; sujunfei <sujunf...@hisilicon.com>
> Subject: [PATCH] arm64: mm: free unused memmap for sparse memory model
> that define VMEMMAP
>
> 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.
Hello Wei,
Just curious if this patch breaks MEMORY_HOTPLUG?
>
> Signed-off-by: Wei Li <liwei...@huawei.com>
> Signed-off-by: Chen Feng <puck.c...@hisilicon.com>
> Signed-off-by: Xia Qing <saberlily....@hisilicon.com>
> ---
> arch/arm64/mm/init.c | 81
> +++++++++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 71 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index
> 1e93cfc7c47a..d1b56b47d5ba 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -441,7 +441,48 @@ void __init bootmem_init(void)
> memblock_dump_all();
> }
>
Thanks
Barry
