Re: [PATCH] tlb/hugetlb: Add framework to handle PGDIR_SIZE HugeTLB pages

From: Peter Zijlstra
Date: Wed Apr 13 2022 - 06:19:50 EST


On Wed, Apr 13, 2022 at 03:37:14PM +0530, Anshuman Khandual wrote:
> Change tlb_remove_huge_tlb_entry() to accommodate larger PGDIR_SIZE HugeTLB
> pages via adding a new helper tlb_flush_pgd_range(). While here also update
> struct mmu_gather as required, that is add a new member cleared_pgds.

I'm assuming Power will use this? Perhaps best to include it in a series
that actually makes use of it.

Other than that, looks good.