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

[Kani, Toshi]

On Thu, 2018-05-17 at 08:47 +0200, Michal Hocko wrote:
> 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.

I will update the description and resend this patch.

Thanks!
-Toshi