linux-kernel - [PATCH 0/7] highmem: Extend kmap_local

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Message-Id: <20220721210206.13774-1-fmdefrancesco@gmail.com>
Date:   Thu, 21 Jul 2022 23:01:59 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Ira Weiny <ira.weiny@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Catalin Marinas <catalin.marinas@....com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Will Deacon <will@...nel.org>,
        Peter Collingbourne <pcc@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Jonathan Corbet <corbet@....net>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Cc:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 0/7] highmem: Extend kmap_local_page() documentation 

The Highmem's interface is evolving and the current documentation does not
reflect the intended uses of each of the calls. Furthermore, after a
recent series of reworks, the differences of the calls can still be
confusing and may lead to the expanded use of calls which are deprecated.

This series is the second round of changes towards an enhanced
documentation of the Highmem's interface; at this stage the patches are
only focused to kmap_local_page().

In addition it also contains some minor clean ups.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Matthew Wilcox (Oracle) <willy@...radead.org>
Cc: Mike Rapoport <rppt@...ux.ibm.com>
Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Suggested-by: Ira Weiny <ira.weiny@...el.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>

Fabio M. De Francesco (7):
  highmem: Remove unneeded spaces in kmap_local_page() kdocs
  highmem: Specify that kmap_local_page() is callable from interrupts
  Documentation/mm: Don't kmap*() pages which can't come from HIGHMEM
  Documentation/mm: Avoid invalid use of addresses from
    kmap_local_page()
  Documentation/mm: Prefer kmap_local_page() and avoid kmap()
  highmem: Delete a sentence from kmap_local_page() kdocs
  Documentation/mm: Add details about kmap_local_page() and preemption

 Documentation/vm/highmem.rst | 31 +++++++++++++++++++++++++++----
 include/linux/highmem.h      |  7 +++----
 2 files changed, 30 insertions(+), 8 deletions(-)

-- 
2.37.1