Re: [PATCH v3 2/3] ioremap: Update pgtable free interfaces with addr

From: Michal Hocko
Date: Thu May 17 2018 - 01:51:01 EST


On Wed 16-05-18 17:32:06, Kani Toshimitsu wrote:
> From: Chintan Pandya <cpandya@xxxxxxxxxxxxxx>
>
> This patch ("mm/vmalloc: Add interfaces to free unmapped
> page table") adds following 2 interfaces to free the page
> table in case we implement huge mapping.
>
> pud_free_pmd_page() and pmd_free_pte_page()
>
> Some architectures (like arm64) needs to do proper TLB
> maintanance after updating pagetable entry even in map.
> Why ? Read this,
> https://patchwork.kernel.org/patch/10134581/

Please add that information to the changelog.
--
Michal Hocko
SUSE Labs