Re: [PATCH] fs: Replace kmap{,_atomic}() with kmap_local_page()

On Thu, Jun 30, 2022 at 06:35:27PM +0200, Fabio M. De Francesco wrote: > The use of kmap() and kmap_atomic() are being deprecated in favor of > kmap_local_page(). > > With kmap_local_page(), the mappings are per thread, CPU local and not > globally visible. Furthermore, the mappings can be

Re: [RFC PATCH v5] mm, pmem, xfs: Introduce MF_MEM_REMOVE for unbind

On Fri, Jul 08, 2022 at 05:42:22AM +, ruansy.f...@fujitsu.com wrote: > This patch is inspired by Dan's "mm, dax, pmem: Introduce > dev_pagemap_failure()"[1]. With the help of dax_holder and > ->notify_failure() mechanism, the pmem driver is able to ask filesystem > (or mapped device) on it to