Re: [RFC PATCH v2 0/6] fsdax: introduce fs query to support reflink

On Wed, Dec 02, 2020 at 03:12:20PM +0800, Ruan Shiyang wrote: > Hi Dave, > > On 2020/11/30 上午6:47, Dave Chinner wrote: > > On Mon, Nov 23, 2020 at 08:41:10AM +0800, Shiyang Ruan wrote: > > > > > > The call trace is like this: > > > memory_failure() > > > pgmap->ops->memory_failure() =>

Re: [PATCH v14 09/10] arch, mm: wire up memfd_secret system call were relevant

On Thu, Dec 03, 2020 at 03:39:16PM -0800, Andrew Morton wrote: > On Thu, 3 Dec 2020 08:29:48 +0200 Mike Rapoport wrote: > > > From: Mike Rapoport > > > > Wire up memfd_secret system call on architectures that define > > ARCH_HAS_SET_DIRECT_MAP, namely arm64, risc-v and x86. > > > > ... > > >

Re: [PATCH v14 04/10] set_memory: allow querying whether set_direct_map_*() is actually enabled

On Thu, Dec 03, 2020 at 03:36:10PM -0800, Andrew Morton wrote: > On Thu, 3 Dec 2020 08:29:43 +0200 Mike Rapoport wrote: > > > From: Mike Rapoport > > > > On arm64, set_direct_map_*() functions may return 0 without actually > > changing the linear map. This behaviour can be controlled using