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David Hildenbrand dee6da22ef memory-hotplug.rst: add some details about locking internals 
Let's document the magic a bit, especially why device_hotplug_lock is
required when adding/removing memory and how it all play together with
requests to online/offline memory from user space.

Link: http://lkml.kernel.org/r/20180925091457.28651-7-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Pavel Tatashin <pavel.tatashin@microsoft.com>
Reviewed-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: John Allen <jallen@linux.vnet.ibm.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Mathieu Malaterre <malat@debian.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: YASUAKI ISHIMATSU <yasu.isimatu@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2018-10-31 08:54:17 -07:00
..
concepts.rst docs/admin-guide/mm: add high level concepts overview 2018-05-29 06:45:56 -06:00
hugetlbpage.rst docs/vm: move numa_memory_policy.rst to Documentation/admin-guide/mm 2018-05-08 09:31:31 -06:00
idle_page_tracking.rst tools/vm/page-types.c: add support for idle page tracking 2018-08-17 16:20:28 -07:00
index.rst docs: move memory hotplug description into admin-guide/mm 2018-10-07 09:16:16 -06:00
ksm.rst docs/vm: ksm: split userspace interface to admin-guide/mm/ksm.rst 2018-04-27 17:19:49 -06:00
memory-hotplug.rst memory-hotplug.rst: add some details about locking internals 2018-10-31 08:54:17 -07:00
numa_memory_policy.rst docs/vm: move numa_memory_policy.rst to Documentation/admin-guide/mm 2018-05-08 09:31:31 -06:00
pagemap.rst tools/vm/page-types.c: include shared map counts 2018-08-17 16:20:28 -07:00
soft-dirty.rst docs/admin-guide/mm: start moving here files from Documentation/vm 2018-04-27 17:02:48 -06:00
transhuge.rst docs/vm: transhuge: split userspace bits to admin-guide/mm/transhuge 2018-05-21 09:30:58 -06:00
userfaultfd.rst docs/admin-guide/mm: start moving here files from Documentation/vm 2018-04-27 17:02:48 -06:00