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David Hildenbrand 52219aeaf2 mm/memory_hotplug: handle memblocks only with CONFIG_ARCH_KEEP_MEMBLOCK 
The comment in add_memory_resource() is stale: hotadd_new_pgdat() will no
longer call get_pfn_range_for_nid(), as a hotadded pgdat will simply span
no pages at all, until memory is moved to the zone/node via
move_pfn_range_to_zone() - e.g., when onlining memory blocks.

The only archs that care about memblocks for hotplugged memory (either for
iterating over all system RAM or testing for memory validity) are arm64,
s390x, and powerpc - due to CONFIG_ARCH_KEEP_MEMBLOCK.  Without
CONFIG_ARCH_KEEP_MEMBLOCK, we can simply stop messing with memblocks.

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Link: http://lkml.kernel.org/r/20200422155353.25381-3-david@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-04 19:06:23 -07:00
..
kasan
mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h
2020-06-04 19:06:21 -07:00
backing-dev.c
bdi: remove the name field in struct backing_dev_info
2020-05-09 16:15:13 -06:00
balloon_compaction.c
mm/balloon_compaction: suppress allocation warnings
2019-09-04 07:42:01 -04:00
cleancache.c
Driver Core and debugfs changes for 5.3-rc1
2019-07-12 12:24:03 -07:00
cma_debug.c
mm/cma_debug.c: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops
2019-12-01 12:59:09 -08:00
cma.c
mm: cma: NUMA node interface
2020-04-10 15:36:21 -07:00
cma.h
…
compaction.c
Merge branch 'akpm' (patches from Andrew)
2020-06-03 20:24:15 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug: add tests validating architecture page table helpers
2020-06-04 19:06:21 -07:00
debug.c
mm, dump_page(): do not crash with invalid mapping pointer
2020-06-02 10:59:06 -07:00
dmapool.c
mm/dmapool.c: micro-optimisation remove unnecessary branch
2020-04-07 10:43:42 -07:00
early_ioremap.c
mm/early_ioremap.c: use %pa to print resource_size_t variables
2020-01-31 10:30:38 -08:00
fadvise.c
mm: return void from various readahead functions
2020-06-02 10:59:06 -07:00
failslab.c
mm/failslab.c: by default, do not fail allocations with direct reclaim only
2019-07-12 11:05:43 -07:00
filemap.c
mm: memcontrol: delete unused lrucare handling
2020-06-03 20:09:48 -07:00
frame_vector.c
mm: untag user pointers in get_vaddr_frames
2019-09-25 17:51:41 -07:00
frontswap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
gup_benchmark.c
mm/gup_benchmark: support pin_user_pages() and related calls
2020-04-02 09:35:27 -07:00
gup.c
mm, mempolicy: fix up gup usage in lookup_node
2020-06-03 20:09:49 -07:00
highmem.c
mm, x86/mm: Untangle address space layout definitions from basic pgtable type definitions
2019-12-10 10:12:55 +01:00
hmm.c
mm/hmm: remove the customizable pfn format from hmm_range_fault
2020-05-11 10:47:29 -03:00
huge_memory.c
Merge branch 'akpm' (patches from Andrew)
2020-06-03 20:24:15 -07:00
hugetlb_cgroup.c
mm: use fallthrough;
2020-04-07 10:43:41 -07:00
hugetlb.c
Merge branch 'akpm' (patches from Andrew)
2020-06-03 20:24:15 -07:00
hwpoison-inject.c
mm/hwpoison-inject: use DEFINE_DEBUGFS_ATTRIBUTE to define debugfs fops
2019-12-01 12:59:09 -08:00
init-mm.c
mm/init-mm.c: include <linux/mman.h> for vm_committed_as_batch
2019-10-19 06:32:32 -04:00
internal.h
mm/vmscan.c: change prototype for shrink_page_list
2020-06-03 20:09:47 -07:00
interval_tree.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248
2019-06-19 17:09:08 +02:00
Kconfig
mm/memory_hotplug: handle memblocks only with CONFIG_ARCH_KEEP_MEMBLOCK
2020-06-04 19:06:23 -07:00
Kconfig.debug
mm: add DEBUG_WX support
2020-06-03 20:09:49 -07:00
khugepaged.c
mm: fold and remove lru_cache_add_anon() and lru_cache_add_file()
2020-06-03 20:09:48 -07:00
kmemleak-test.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
kmemleak.c
mm/kmemleak.c: use address-of operator on section symbols
2020-04-02 09:35:26 -07:00
ksm.c
mm/ksm: fix NULL pointer dereference when KSM zero page is enabled
2020-04-21 11:11:55 -07:00
list_lru.c
mm: use fallthrough;
2020-04-07 10:43:41 -07:00
maccess.c
uaccess: Add strict non-pagefault kernel-space read function
2019-11-02 12:39:12 -07:00
madvise.c
mm: check that mm is still valid in madvise()
2020-04-24 13:28:03 -07:00
Makefile
mm/debug: add tests validating architecture page table helpers
2020-06-04 19:06:21 -07:00
mapping_dirty_helpers.c
mm/mapping_dirty_helpers: update huge page-table entry callbacks
2020-04-02 09:35:29 -07:00
memblock.c
mm: remove CONFIG_HAVE_MEMBLOCK_NODE_MAP option
2020-06-03 20:09:43 -07:00
memcontrol.c
mm: base LRU balancing on an explicit cost model
2020-06-03 20:09:48 -07:00
memfd.c
mm: page cache: store only head pages in i_pages
2019-09-24 15:54:08 -07:00
memory_hotplug.c
mm/memory_hotplug: handle memblocks only with CONFIG_ARCH_KEEP_MEMBLOCK
2020-06-04 19:06:23 -07:00
memory-failure.c
ACPI updates for 5.8-rc1
2020-06-02 13:25:52 -07:00
memory.c
mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h
2020-06-04 19:06:21 -07:00
mempolicy.c
mm, mempolicy: fix up gup usage in lookup_node
2020-06-03 20:09:49 -07:00
mempool.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
memremap.c
mm/memremap: set caching mode for PCI P2PDMA memory to WC
2020-04-10 15:36:21 -07:00
memtest.c
…
migrate.c
mm: memcontrol: delete unused lrucare handling
2020-06-03 20:09:48 -07:00
mincore.c
mm: pagewalk: add 'depth' parameter to pte_hole
2020-02-04 03:05:25 +00:00
mlock.c
mm: untag user pointers passed to memory syscalls
2019-09-25 17:51:41 -07:00
mm_init.c
mm/mm_init.c: report kasan-tag information stored in page->flags
2020-06-02 10:59:12 -07:00
mmap.c
mm/vma: introduce VM_ACCESS_FLAGS
2020-04-10 15:36:21 -07:00
mmu_context.c
…
mmu_gather.c
asm-generic/tlb: provide MMU_GATHER_TABLE_FREE
2020-02-04 03:05:26 +00:00
mmu_notifier.c
mm/mmu_notifier: silence PROVE_RCU_LIST warnings
2020-03-21 18:56:06 -07:00
mmzone.c
…
mprotect.c
mm/vma: introduce VM_ACCESS_FLAGS
2020-04-10 15:36:21 -07:00
mremap.c
userfaultfd: fix remap event with MREMAP_DONTUNMAP
2020-05-14 10:00:35 -07:00
msync.c
mm: untag user pointers passed to memory syscalls
2019-09-25 17:51:41 -07:00
nommu.c
mm: remove vmalloc_sync_(un)mappings()
2020-06-02 10:59:12 -07:00
oom_kill.c
mm/page_alloc: integrate classzone_idx and high_zoneidx
2020-06-03 20:09:44 -07:00
page_alloc.c
Merge branch 'akpm' (patches from Andrew)
2020-06-03 20:24:15 -07:00
page_counter.c
mm, memcg: prevent memory.min load/store tearing
2020-04-02 09:35:29 -07:00
page_ext.c
mm/page_ext.c: drop pfn_present() check when onlining
2020-04-07 10:43:40 -07:00
page_idle.c
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
2019-06-29 16:43:45 +08:00
page_io.c
fs: Enable bmap() function to properly return errors
2020-02-03 08:05:37 -05:00
page_isolation.c
mm: add function __putback_isolated_page
2020-04-07 10:43:38 -07:00
page_owner.c
mm: rename gfpflags_to_migratetype to gfp_migratetype for same convention
2020-06-03 20:09:45 -07:00
page_poison.c
mm/page_poison.c: fix a typo in a comment
2019-09-24 15:54:08 -07:00
page_reporting.c
mm/page_reporting: add budget limit on how many pages can be reported per pass
2020-04-07 10:43:39 -07:00
page_reporting.h
mm: introduce Reported pages
2020-04-07 10:43:38 -07:00
page_vma_mapped.c
mm/page_vma_mapped.c: explicitly compare pfn for normal, hugetlbfs and THP page
2020-01-31 10:30:38 -08:00
page-writeback.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-06-03 16:27:18 -07:00
pagewalk.c
x86: mm: avoid allocating struct mm_struct on the stack
2020-02-04 03:05:25 +00:00
percpu-internal.h
percpu: convert chunk hints to be based on pcpu_block_md
2019-03-13 12:25:31 -07:00
percpu-km.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
percpu-stats.c
percpu: update copyright emails to dennis@kernel.org
2020-04-01 10:09:12 -07:00
percpu-vm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
percpu.c
mm: remove the pgprot argument to __vmalloc
2020-06-02 10:59:11 -07:00
pgtable-generic.c
mm/thp: rename pmd_mknotpresent() as pmd_mkinvalid()
2020-06-03 20:09:49 -07:00
process_vm_access.c
mm: docs: Fix a comment in process_vm_rw_core
2020-03-25 10:04:01 -05:00
ptdump.c
x86: mm: ptdump: calculate effective permissions correctly
2020-06-02 10:59:09 -07:00
readahead.c
mm: use memalloc_nofs_save in readahead path
2020-06-02 10:59:07 -07:00
rmap.c
mm: memcontrol: switch to native NR_ANON_THPS counter
2020-06-03 20:09:47 -07:00
rodata_test.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
shmem.c
mm: fold and remove lru_cache_add_anon() and lru_cache_add_file()
2020-06-03 20:09:48 -07:00
shuffle.c
mm: adjust shuffle code to allow for future coalescing
2020-04-07 10:43:38 -07:00
shuffle.h
mm: adjust shuffle code to allow for future coalescing
2020-04-07 10:43:38 -07:00
slab_common.c
usercopy: mark dma-kmalloc caches as usercopy caches
2020-06-02 10:59:06 -07:00
slab.c
mm/page_alloc: integrate classzone_idx and high_zoneidx
2020-06-03 20:09:44 -07:00
slab.h
mm: kmem: rename (__)memcg_kmem_(un)charge_memcg() to __memcg_kmem_(un)charge()
2020-04-02 09:35:28 -07:00
slob.c
mm/sl[uo]b: export __kmalloc_track(_node)_caller
2020-03-26 14:45:51 +01:00
slub.c
mm/page_alloc: integrate classzone_idx and high_zoneidx
2020-06-03 20:09:44 -07:00
sparse-vmemmap.c
mm/sparsemem: convert kmalloc_section_memmap() to populate_section_memmap()
2019-07-18 17:08:07 -07:00
sparse.c
mm/sparse.c: move subsection_map related functions together
2020-04-07 10:43:40 -07:00
swap_cgroup.c
mm: memcontrol: make swap tracking an integral part of memory control
2020-06-03 20:09:48 -07:00
swap_slots.c
mm/swap_slots.c: assign|reset cache slot by value directly
2020-04-02 09:35:27 -07:00
swap_state.c
mm: vmscan: reclaim writepage is IO cost
2020-06-03 20:09:49 -07:00
swap.c
mm: swap: memcg: fix memcg stats for huge pages
2020-06-03 20:09:49 -07:00
swapfile.c
mm: memcontrol: charge swapin pages on instantiation
2020-06-03 20:09:48 -07:00
truncate.c
mm/thp: allow dropping THP from page cache
2019-10-19 06:32:33 -04:00
usercopy.c
usercopy: Avoid HIGHMEM pfn warning
2019-09-17 15:20:17 -07:00
userfaultfd.c
mm: memcontrol: delete unused lrucare handling
2020-06-03 20:09:48 -07:00
util.c
mm: add kvfree_sensitive() for freeing sensitive data objects
2020-06-04 19:06:22 -07:00
vmacache.c
…
vmalloc.c
mm/vmalloc: fix a typo in comment
2020-06-04 19:06:21 -07:00
vmpressure.c
mm: vmpressure: use mem_cgroup_is_root API
2020-04-02 09:35:31 -07:00
vmscan.c
mm: vmscan: limit the range of LRU type balancing
2020-06-03 20:09:49 -07:00
vmstat.c
Merge branch 'akpm' (patches from Andrew)
2020-06-03 20:24:15 -07:00
workingset.c
mm: vmscan: reclaim writepage is IO cost
2020-06-03 20:09:49 -07:00
z3fold.c
mm/z3fold: silence kmemleak false positives of slots
2020-05-28 11:35:40 -07:00
zbud.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
zpool.c
zpool: add malloc_support_movable to zpool_driver
2019-09-24 15:54:12 -07:00
zsmalloc.c
mm: remove map_vm_range
2020-06-02 10:59:11 -07:00
zswap.c
mm/zswap: allow setting default status, compressor and allocator in Kconfig
2020-04-07 10:43:41 -07:00