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

[liwei (CM)]

-----邮件原件-----
发件人: Anshuman Khandual [mailto:anshuman.khandual at arm.com] 
发送时间: 2020年7月23日 10:33
收件人: liwei (CM) <liwei213 at huawei.com>; catalin.marinas at arm.com; will at kernel.org
抄送: Song Bao Hua (Barry Song) <song.bao.hua at hisilicon.com>; sujunfei <sujunfei2 at hisilicon.com>; Xiaqing (A) <saberlily.xia at hisilicon.com>; linux-arm-kernel at lists.infradead.org; steve.capper at arm.com; Chenfeng (puck) <puck.chen at hisilicon.com>; linux-kernel at vger.kernel.org; rppt at linux.ibm.com; fengbaopeng <fengbaopeng2 at hisilicon.com>; nsaenzjulienne at suse.de; butao <butao at hisilicon.com>
主题: Re: [PATCH] arm64: mm: free unused memmap for sparse memory model that define VMEMMAP



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.

Hi,

We're working on patch v2 as soon as possible.

Thanks.