Re: [PATCH V3 1/2] zpool: Add malloc_support_movable to zpool_driver

From: Shakeel Butt
Date: Wed Jun 05 2019 - 12:35:51 EST

On Wed, Jun 5, 2019 at 3:06 AM Hui Zhu <teawaterz@xxxxxxxxxxxxxxxxx> wrote:
> As a zpool_driver, zsmalloc can allocate movable memory because it
> support migate pages.
> But zbud and z3fold cannot allocate movable memory.

Cc: Vitaly

It seems like z3fold does support page migration but z3fold's malloc
is rejecting __GFP_HIGHMEM. Vitaly, is there a reason to keep
rejecting __GFP_HIGHMEM after 1f862989b04a ("mm/z3fold.c: support page