linux-kernel - [PATCH v3 0/6] mm: Further memory block device cleanups

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Date:   Thu, 20 Jun 2019 20:31:33 +0200
From:   David Hildenbrand <david@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org,
        linux-mm@...ck.org, David Hildenbrand <david@...hat.com>,
        Andrew Banman <andrew.banman@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Arun KS <arunks@...eaurora.org>, Baoquan He <bhe@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Juergen Gross <jgross@...e.com>,
        Keith Busch <keith.busch@...el.com>,
        Len Brown <lenb@...nel.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michael Neuling <mikey@...ling.org>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        "mike.travis@....com" <mike.travis@....com>,
        Oscar Salvador <osalvador@...e.com>,
        Oscar Salvador <osalvador@...e.de>,
        Paul Mackerras <paulus@...ba.org>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Pavel Tatashin <pavel.tatashin@...rosoft.com>,
        Qian Cai <cai@....pw>, "Rafael J. Wysocki" <rafael@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Rashmica Gupta <rashmica.g@...il.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Vlastimil Babka <vbabka@...e.cz>,
        Wei Yang <richard.weiyang@...il.com>
Subject: [PATCH v3 0/6] mm: Further memory block device cleanups

@Andrew: Only patch 1, 4 and 6 changed compared to v1.

Some further cleanups around memory block devices. Especially, clean up
and simplify walk_memory_range(). Including some other minor cleanups.

Compiled + tested on x86 with DIMMs under QEMU. Compile-tested on ppc64.

v2 -> v3:
- "mm/memory_hotplug: Rename walk_memory_range() and pass start+size .."
-- Avoid warning on ppc.
- "drivers/base/memory.c: Get rid of find_memory_block_hinted()"
-- Fixup a comment regarding hinted devices.

v1 -> v2:
- "mm: Section numbers use the type "unsigned long""
-- "unsigned long i" -> "unsigned long nr", in one case -> "int i"
- "drivers/base/memory.c: Get rid of find_memory_block_hinted("
-- Fix compilation error
-- Get rid of the "hint" parameter completely

David Hildenbrand (6):
  mm: Section numbers use the type "unsigned long"
  drivers/base/memory: Use "unsigned long" for block ids
  mm: Make register_mem_sect_under_node() static
  mm/memory_hotplug: Rename walk_memory_range() and pass start+size
    instead of pfns
  mm/memory_hotplug: Move and simplify walk_memory_blocks()
  drivers/base/memory.c: Get rid of find_memory_block_hinted()

 arch/powerpc/platforms/powernv/memtrace.c |  23 ++---
 drivers/acpi/acpi_memhotplug.c            |  19 +---
 drivers/base/memory.c                     | 120 +++++++++++++---------
 drivers/base/node.c                       |   8 +-
 include/linux/memory.h                    |   5 +-
 include/linux/memory_hotplug.h            |   2 -
 include/linux/mmzone.h                    |   4 +-
 include/linux/node.h                      |   7 --
 mm/memory_hotplug.c                       |  57 +---------
 mm/sparse.c                               |  12 +--
 10 files changed, 106 insertions(+), 151 deletions(-)

-- 
2.21.0