Alistair Popple b05a79d437 mm/gup: migrate device coherent pages when pinning instead of failing ... Currently any attempts to pin a device coherent page will fail. This is because device coherent pages need to be managed by a device driver, and pinning them would prevent a driver from migrating them off the device. However this is no reason to fail pinning of these pages. These are coherent and accessible from the CPU so can be migrated just like pinning ZONE_MOVABLE pages. So instead of failing all attempts to pin them first try migrating them out of ZONE_DEVICE. [hch@lst.de: rebased to the split device memory checks, moved migrate_device_page to migrate_device.c] Link: https://lkml.kernel.org/r/20220715150521.18165-7-alex.sierra@amd.com Signed-off-by: Alistair Popple <apopple@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2022-07-17 17:14:28 -07:00
..
damon	mm/damon/lru_sort: fix potential memory leak in damon_lru_sort_init()	2022-07-17 17:14:27 -07:00
kasan	kasan: fix zeroing vmalloc memory with HW_TAGS	2022-07-03 18:08:39 -07:00
kfence	mm/kfence: select random number before taking raw lock	2022-06-16 19:11:31 -07:00
backing-dev.c	init: Initialize noop_backing_dev_info early	2022-06-16 10:55:57 +02:00
balloon_compaction.c
bootmem_info.c
cma.c	Revert "mm/cma.c: remove redundant cma_mutex lock"	2022-05-13 15:11:26 -07:00
cma.h
cma_debug.c
cma_sysfs.c
compaction.c	mm, docs: fix comments that mention mem_hotplug_end()	2022-07-03 18:08:50 -07:00
debug.c
debug_page_ref.c
debug_vm_pgtable.c	docs: rename Documentation/vm to Documentation/mm	2022-06-27 12:52:53 -07:00
dmapool.c
early_ioremap.c
fadvise.c	riscv: compat: syscall: Add compat_sys_call_table implementation	2022-04-26 13:36:25 -07:00
failslab.c	mm: fix missing handler for __GFP_NOWARN	2022-05-19 14:08:55 -07:00
filemap.c	filemap: Handle sibling entries in filemap_get_read_batch()	2022-06-20 16:37:45 -04:00
folio-compat.c	fs: Remove aop flags parameter from grab_cache_page_write_begin()	2022-05-08 14:28:19 -04:00
frontswap.c	docs: rename Documentation/vm to Documentation/mm	2022-06-27 12:52:53 -07:00
gup.c	mm/gup: migrate device coherent pages when pinning instead of failing	2022-07-17 17:14:28 -07:00
gup_test.c	mm: rename is_pinnable_page() to is_longterm_pinnable_page()	2022-07-17 17:14:27 -07:00
gup_test.h
highmem.c
hmm.c	mm: teach core mm about pte markers	2022-05-13 07:20:09 -07:00
huge_memory.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
hugetlb.c	mm: rename is_pinnable_page() to is_longterm_pinnable_page()	2022-07-17 17:14:27 -07:00
hugetlb_cgroup.c
hugetlb_vmemmap.c	mm: memory_hotplug: make hugetlb_optimize_vmemmap compatible with memmap_on_memory	2022-07-03 18:08:49 -07:00
hugetlb_vmemmap.h	mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*	2022-04-28 23:16:15 -07:00
hwpoison-inject.c	mm/memory-failure: disable unpoison once hw error happens	2022-06-16 19:11:32 -07:00
init-mm.c
internal.h	mm/gup: migrate device coherent pages when pinning instead of failing	2022-07-17 17:14:28 -07:00
interval_tree.c
io-mapping.c
ioremap.c
Kconfig	docs: rename Documentation/vm to Documentation/mm	2022-06-27 12:52:53 -07:00
Kconfig.debug	Two followon fixes for the post-5.19 series "Use pageblock_order for cma	2022-05-27 11:40:49 -07:00
khugepaged.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
kmemleak.c	mm/kmemleak: prevent soft lockup in first object iteration loop of kmemleak_scan()	2022-06-16 19:48:32 -07:00
ksm.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
list_lru.c	mm: kmem: make mem_cgroup_from_obj() vmalloc()-safe	2022-06-16 19:48:31 -07:00
maccess.c
madvise.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
Makefile	mm: shrinkers: introduce debugfs interface for memory shrinkers	2022-07-03 18:08:40 -07:00
mapping_dirty_helpers.c
memblock.c	mm: kmemleak: remove kmemleak_not_leak_phys() and the min_count argument to kmemleak_alloc_phys()	2022-06-16 19:48:30 -07:00
memcontrol.c	mm: add zone device coherent type memory support	2022-07-17 17:14:27 -07:00
memfd.c
memory-failure.c	mm: add zone device coherent type memory support	2022-07-17 17:14:27 -07:00
memory.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
memory_hotplug.c	mm: memory_hotplug: make hugetlb_optimize_vmemmap compatible with memmap_on_memory	2022-07-03 18:08:49 -07:00
mempolicy.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
mempool.c	mm/mempool: use might_alloc()	2022-06-16 19:48:30 -07:00
memremap.c	mm: add zone device coherent type memory support	2022-07-17 17:14:27 -07:00
memtest.c
migrate.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
migrate_device.c	mm/gup: migrate device coherent pages when pinning instead of failing	2022-07-17 17:14:28 -07:00
mincore.c	mm: teach core mm about pte markers	2022-05-13 07:20:09 -07:00
mlock.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
mm_init.c
mmap.c	docs: rename Documentation/vm to Documentation/mm	2022-06-27 12:52:53 -07:00
mmap_lock.c
mmu_gather.c	mm/mmu_gather: limit free batch count and add schedule point in tlb_batch_pages_flush	2022-04-28 23:16:12 -07:00
mmu_notifier.c
mmzone.c
mprotect.c	mm: handling Non-LRU pages returned by vm_normal_pages	2022-07-17 17:14:28 -07:00
mremap.c	Yang Shi has improved the behaviour of khugepaged collapsing of readonly	2022-05-26 12:32:41 -07:00
msync.c
nommu.c	no-MMU: expose vmalloc_huge() for alloc_large_system_hash()	2022-04-25 10:11:49 -07:00
oom_kill.c	mm/oom_kill.c: fix vm_oom_kill_table[] ifdeffery	2022-06-01 15:57:16 -07:00
page-writeback.c	sysctl changes for v5.19-rc1	2022-05-26 16:57:20 -07:00
page_alloc.c	mm/page_alloc: make the annotations of available memory more accurate	2022-07-03 18:08:50 -07:00
page_counter.c
page_ext.c	mm: use for_each_online_node and node_online instead of open coding	2022-04-29 14:36:58 -07:00
page_idle.c	mm: don't be stuck to rmap lock on reclaim path	2022-05-19 14:08:54 -07:00
page_io.c	Yang Shi has improved the behaviour of khugepaged collapsing of readonly	2022-05-26 12:32:41 -07:00
page_isolation.c	mm/page_isolation.c: fix one kernel-doc comment	2022-06-16 19:11:30 -07:00
page_owner.c	Yang Shi has improved the behaviour of khugepaged collapsing of readonly	2022-05-26 12:32:41 -07:00
page_poison.c
page_reporting.c
page_reporting.h
page_table_check.c	Six hotfixes. One from Miaohe Lin is considered a minor thing so it isn't	2022-05-27 11:29:35 -07:00
page_vma_mapped.c	mm/page_vma_mapped.c: check possible huge PMD map with transhuge_vma_suitable()	2022-07-03 18:08:37 -07:00
pagewalk.c
percpu-internal.h	percpu: improve percpu_alloc_percpu event trace	2022-05-13 07:20:18 -07:00
percpu-km.c
percpu-stats.c
percpu-vm.c
percpu.c	percpu: improve percpu_alloc_percpu event trace	2022-05-13 07:20:18 -07:00
pgalloc-track.h
pgtable-generic.c	mm: avoid unnecessary flush on change_huge_pmd()	2022-05-13 07:20:05 -07:00
process_vm_access.c
ptdump.c
readahead.c	filemap: Fix serialization adding transparent huge pages to page cache	2022-06-23 12:22:00 -04:00
rmap.c	mm: add zone device coherent type memory support	2022-07-17 17:14:27 -07:00
rodata_test.c
secretmem.c	secretmem: Convert to free_folio	2022-05-09 23:12:53 -04:00
shmem.c	mm/swap: convert delete_from_swap_cache() to take a folio	2022-07-03 18:08:48 -07:00
shrinker_debug.c	mm: shrinkers: add scan interface for shrinker debugfs	2022-07-03 18:08:41 -07:00
shuffle.c
shuffle.h
slab.c	mm/slab: delete cache_alloc_debugcheck_before()	2022-06-16 19:48:29 -07:00
slab.h	slab changes for 5.19	2022-05-25 10:24:04 -07:00
slab_common.c	Yang Shi has improved the behaviour of khugepaged collapsing of readonly	2022-05-26 12:32:41 -07:00
slob.c	mm: make minimum slab alignment a runtime property	2022-05-13 07:20:07 -07:00
slub.c	mm/slub: add missing TID updates on slab deactivation	2022-06-13 17:41:36 +02:00
sparse-vmemmap.c	mm: sparsemem: drop unexpected word 'a' in comments	2022-07-03 18:08:50 -07:00
sparse.c	mm: memory_hotplug: enumerate all supported section flags	2022-07-03 18:08:49 -07:00
swap.c	mm: convert destroy_compound_page() to destroy_large_folio()	2022-07-03 18:08:48 -07:00
swap.h	mm/khugepaged: try to free transhuge swapcache when possible	2022-07-03 18:08:52 -07:00
swap_cgroup.c
swap_slots.c	mm/swap: remove buggy cache->nr check in refill_swap_slots_cache	2022-05-19 14:08:51 -07:00
swap_state.c	mm/swap: convert __delete_from_swap_cache() to a folio	2022-07-03 18:08:48 -07:00
swapfile.c	mm/swap: convert delete_from_swap_cache() to take a folio	2022-07-03 18:08:48 -07:00
truncate.c
usercopy.c	usercopy: Make usercopy resilient against ridiculously large copies	2022-06-13 09:54:52 -07:00
userfaultfd.c	mm/uffd: enable write protection for shmem & hugetlbfs	2022-05-13 07:20:11 -07:00
util.c	docs: rename Documentation/vm to Documentation/mm	2022-06-27 12:52:53 -07:00
vmacache.c
vmalloc.c	mm/vmalloc: extend __find_vmap_area() with one more argument	2022-07-03 18:08:41 -07:00
vmpressure.c
vmscan.c	mm, docs: fix comments that mention mem_hotplug_end()	2022-07-03 18:08:50 -07:00
vmstat.c	Bitmap patches for 5.19-rc1	2022-06-04 14:04:27 -07:00
workingset.c	mm: shrinkers: provide shrinkers with names	2022-07-03 18:08:40 -07:00
z3fold.c	mm/z3fold: fix z3fold_page_migrate races with z3fold_map	2022-05-27 09:33:44 -07:00
zbud.c
zpool.c
zsmalloc.c	mm: shrinkers: provide shrinkers with names	2022-07-03 18:08:40 -07:00
zswap.c	zswap: memcg accounting	2022-05-19 14:08:53 -07:00