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Naoya Horiguchi e632a938d9 mm: migrate: add hugepage migration code to move_pages() 
Extend move_pages() to handle vma with VM_HUGETLB set.  We will be able to
migrate hugepage with move_pages(2) after applying the enablement patch
which comes later in this series.

We avoid getting refcount on tail pages of hugepage, because unlike thp,
hugepage is not split and we need not care about races with splitting.

And migration of larger (1GB for x86_64) hugepage are not enabled.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:57:48 -07:00
..
backing-dev.c
backing-dev: convert class code to use dev_groups
2013-08-19 21:22:34 -07:00
balloon_compaction.c
mm: introduce a common interface for balloon pages mobility
2012-12-11 17:22:26 -08:00
bootmem.c
mm: kill free_all_bootmem_node()
2013-07-03 16:07:39 -07:00
bounce.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
cleancache.c
mm: cleancache: clean up cleancache_enabled
2013-04-30 17:04:01 -07:00
compaction.c
mm: add & use zone_end_pfn() and zone_spans_pfn()
2013-02-23 17:50:20 -08:00
debug-pagealloc.c
mm, x86: Remove debug_pagealloc_enabled
2011-12-06 09:24:07 +01:00
dmapool.c
dmapool: make DMAPOOL_DEBUG detect corruption of free marker
2012-12-11 17:22:24 -08:00
fadvise.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
failslab.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
filemap_xip.c
lift sb_start_write() out of ->write()
2013-04-09 14:12:56 -04:00
filemap.c
direct-io: Handle O_(D)SYNC AIO
2013-09-04 09:23:46 -04:00
fremap.c
mm: save soft-dirty bits on file pages
2013-08-13 17:57:48 -07:00
frontswap.c
frontswap: fix incorrect zeroing and allocation size for frontswap_map
2013-06-12 16:29:46 -07:00
highmem.c
Some nice cleanups, and even a patch my wife did as a "live" demo for
2012-12-20 08:37:05 -08:00
huge_memory.c
mm/huge_memory.c: fix potential NULL pointer dereference
2013-09-11 15:57:19 -07:00
hugetlb_cgroup.c
cgroup: pass around cgroup_subsys_state instead of cgroup in file methods
2013-08-08 20:11:24 -04:00
hugetlb.c
mm: migrate: make core migration code aware of hugepage
2013-09-11 15:57:46 -07:00
hwpoison-inject.c
memcg: rename config variables
2012-07-31 18:42:43 -07:00
init-mm.c
…
internal.h
mm: remove unused __put_page()
2013-07-09 10:33:22 -07:00
interval_tree.c
mm: add CONFIG_DEBUG_VM_RB build option
2012-10-09 16:22:42 +09:00
Kconfig
Merge remote-tracking branch 'origin/next' into kvm-ppc-next
2013-08-29 00:41:59 +02:00
Kconfig.debug
mm: more intensive memory corruption debugging
2012-01-10 16:30:42 -08:00
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
mm: replace strict_strtoul() with kstrtoul()
2013-09-11 15:57:11 -07:00
ksm.c
mm: replace strict_strtoul() with kstrtoul()
2013-09-11 15:57:11 -07:00
maccess.c
…
madvise.c
mm/madvise.c: fix coding-style errors
2013-09-11 15:57:00 -07:00
Makefile
zswap: add to mm/
2013-07-10 18:11:34 -07:00
memblock.c
mm/memblock.c: fix wrong comment in __next_free_mem_range()
2013-07-09 10:33:23 -07:00
memcontrol.c
Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2013-09-03 18:25:03 -07:00
memory_hotplug.c
mm/hotplug: remove stop_machine() from try_offline_node()
2013-09-11 15:57:41 -07:00
memory-failure.c
mm: soft-offline: use migrate_pages() instead of migrate_huge_page()
2013-09-11 15:57:47 -07:00
memory.c
mm: migrate: add hugepage migration code to move_pages()
2013-09-11 15:57:48 -07:00
mempolicy.c
migrate: add hugepage migration code to migrate_pages()
2013-09-11 15:57:48 -07:00
mempool.c
mempool: add @gfp_mask to mempool_create_node()
2012-06-25 11:53:47 +02:00
migrate.c
mm: migrate: add hugepage migration code to move_pages()
2013-09-11 15:57:48 -07:00
mincore.c
swap: make each swap partition have one address_space
2013-02-23 17:50:17 -08:00
mlock.c
Revert "mm: introduce VM_POPULATE flag to better deal with racy userspace programs"
2013-03-28 17:45:51 -07:00
mm_init.c
mm: tune vm_committed_as percpu_counter batching size
2013-07-03 16:07:32 -07:00
mmap.c
mm: mmap_region: kill correct_wcount/inode, use allow_write_access()
2013-09-11 15:57:07 -07:00
mmu_context.c
mm: remove old aio use_mm() comment
2013-05-07 18:38:27 -07:00
mmu_notifier.c
treewide: relase -> release
2013-06-28 14:34:33 +02:00
mmzone.c
mm: rename page struct field helpers
2013-02-23 17:50:18 -08:00
mprotect.c
mm/mprotect.c: coding-style cleanups
2012-12-18 15:02:15 -08:00
mremap.c
mm: move_ptes -- Set soft dirty bit depending on pte type
2013-08-27 09:36:17 -07:00
msync.c
…
nobootmem.c
mm: concentrate modification of totalram_pages into the mm core
2013-07-03 16:07:33 -07:00
nommu.c
mm: remove free_area_cache
2013-07-10 18:11:34 -07:00
oom_kill.c
mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
2013-07-15 11:25:05 +09:30
page_alloc.c
mm: use zone_is_empty() instead of if(zone->spanned_pages)
2013-09-11 15:57:38 -07:00
page_cgroup.c
memcontrol: use N_MEMORY instead N_HIGH_MEMORY
2012-12-12 17:38:32 -08:00
page_io.c
mm: remove compressed copy from zram in-memory
2013-07-03 16:07:26 -07:00
page_isolation.c
page_isolation: Fix a comment typo in test_pages_isolated()
2013-08-20 13:03:41 +02:00
page-writeback.c
mm: revert "page-writeback.c: subtract min_free_kbytes from dirtyable memory"
2013-09-11 15:57:23 -07:00
pagewalk.c
mm/pagewalk.c: walk_page_range should avoid VM_PFNMAP areas
2013-05-24 16:22:53 -07:00
percpu-km.c
…
percpu-vm.c
mm: fix kernel-doc warnings
2012-06-20 14:39:36 -07:00
percpu.c
mm, percpu: Make sure percpu_alloc early parameter has an argument
2012-12-02 06:23:04 -08:00
pgtable-generic.c
mm: move pgtable related functions to right place
2013-09-11 15:57:30 -07:00
process_vm_access.c
Fix: compat_rw_copy_check_uvector() misuse in aio, readv, writev, and security keys
2013-03-12 11:05:45 -07:00
quicklist.c
…
readahead.c
readahead: make context readahead more conservative
2013-09-11 15:57:39 -07:00
rmap.c
s390/mm: implement software referenced bits
2013-08-29 13:20:11 +02:00
shmem.c
shm_mnt is as longterm as it gets, TYVM...
2013-09-03 22:50:27 -04:00
slab_common.c
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2013-07-14 15:14:29 -07:00
slab.c
kernel: delete __cpuinit usage from all core kernel files
2013-07-14 19:36:59 -04:00
slab.h
memcg: check that kmem_cache has memcg_params before accessing it
2013-08-28 19:26:38 -07:00
slob.c
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
2013-07-14 15:14:29 -07:00
slub.c
mm: replace strict_strtoul() with kstrtoul()
2013-09-11 15:57:11 -07:00
sparse-vmemmap.c
sparse-vmemmap: specify vmemmap population range in bytes
2013-04-29 15:54:35 -07:00
sparse.c
mm/sparse.c: put clear_hwpoisoned_pages within CONFIG_MEMORY_HOTREMOVE
2013-07-09 10:33:22 -07:00
swap_state.c
swap: avoid read_swap_cache_async() race to deadlock while waiting on discard I/O completion
2013-06-12 16:29:45 -07:00
swap.c
thp, mm: avoid PageUnevictable on active/inactive lru lists
2013-07-31 14:41:03 -07:00
swapfile.c
swap: make cluster allocation per-cpu
2013-09-11 15:57:17 -07:00
truncate.c
mm: teach truncate_inode_pages_range() to handle non page aligned ranges
2013-05-27 23:32:35 -04:00
util.c
swap: clean-up #ifdef in page_mapping()
2013-09-11 15:57:31 -07:00
vmalloc.c
mm, vmalloc: use well-defined find_last_bit() func
2013-09-11 15:57:34 -07:00
vmpressure.c
Merge branch 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2013-09-03 18:25:03 -07:00
vmscan.c
mm: vmscan: fix numa reclaim balance problem in kswapd
2013-09-11 15:57:22 -07:00
vmstat.c
vmstat: use this_cpu() to avoid irqon/off sequence in refresh_cpu_vm_stats
2013-09-11 15:57:31 -07:00
zbud.c
mm/zbud: fix some trivial typos in comments
2013-09-11 15:57:35 -07:00
zswap.c
mm/zswap.c: get swapper address_space by using macro
2013-09-11 15:57:08 -07:00