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Michal Hocko 3072e413e3 mm/memory_hotplug: introduce add_pages

There are new users of memory hotplug emerging.  Some of them require
different subset of arch_add_memory.  There are some which only require
allocation of struct pages without mapping those pages to the kernel
address space.  We currently have __add_pages for that purpose.  But this
is rather lowlevel and not very suitable for the code outside of the
memory hotplug.  E.g.  x86_64 wants to update max_pfn which should be done
by the caller.  Introduce add_pages() which should care about those
details if they are needed.  Each architecture should define its
implementation and select CONFIG_ARCH_HAS_ADD_PAGES.  All others use the
currently existing __add_pages.

Link: http://lkml.kernel.org/r/20170817000548.32038-7-jglisse@redhat.com
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Cc: Aneesh Kumar <aneesh.kumar@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Nellans <dnellans@nvidia.com>
Cc: Evgeny Baskakov <ebaskakov@nvidia.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mark Hairgrove <mhairgrove@nvidia.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Sherry Cheung <SCheung@nvidia.com>
Cc: Subhash Gutti <sgutti@nvidia.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Bob Liu <liubo95@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2017-09-08 18:26:46 -07:00

..

Merge branch 'akpm' (patches from Andrew)

2017-09-06 20:49:49 -07:00

Merge tag 'mmc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

2017-09-07 12:24:50 -07:00

Merge tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

2017-09-07 13:51:13 -07:00

Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-07 09:42:35 -07:00

Merge branches 'doc.2017.08.17a', 'fixes.2017.08.17a', 'hotplug.2017.07.25b', 'misc.2017.08.17a', 'spin_unlock_wait_no.2017.08.17a', 'srcu.2017.07.27c' and 'torture.2017.07.24c' into HEAD

2017-08-17 08:10:04 -07:00

c6x: Convert to using %pOF instead of full_name

2017-08-24 09:35:40 -04:00

cris: Mark _stext and _end as char-arrays, not single char variables

2017-08-10 16:28:53 +02:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

h8300: Mark _stext and _etext as char-arrays, not single char variables

2017-08-10 16:28:52 +02:00

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-04 11:52:29 -07:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

Merge tag 'm68k-for-v4.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

2017-09-05 09:34:49 -07:00

metag/numa: remove the unused parent_node() macro

2017-09-06 17:27:24 -07:00

Merge tag 'devicetree-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

2017-09-07 14:43:33 -07:00

Merge tag 'media/v4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2017-09-07 12:53:14 -07:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

nios2: move generic-y of exported headers to uapi/asm/Kbuild

2017-07-11 21:33:43 +09:00

futex: Remove duplicated code and fix undefined behaviour

2017-08-25 22:49:59 +02:00

Merge branch 'akpm' (patches from Andrew)

2017-09-06 20:49:49 -07:00

Merge branch 'for-4.14/block' of git://git.kernel.dk/linux-block

2017-09-07 11:59:42 -07:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

Merge branch 'uaccess.strlen' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2017-07-06 22:07:44 -07:00

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2017-09-06 14:45:08 -07:00

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2017-09-06 15:17:17 -07:00

Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-04 11:52:29 -07:00

Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-09-04 09:52:57 -07:00

unicore32: move generic-y of exported headers to uapi/asm/Kbuild

2017-07-11 21:33:52 +09:00

mm/memory_hotplug: introduce add_pages

2017-09-08 18:26:46 -07:00

Merge branch 'akpm' (patches from Andrew)

2017-09-06 20:49:49 -07:00

.gitignore

…

Kconfig

Merge tag 'gcc-plugins-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

2017-09-07 20:30:19 -07:00