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Daniel Vetter ba170f76b6 mm, notifier: Catch sleeping/blocking for !blockable 
We need to make sure implementations don't cheat and don't have a possible
schedule/blocking point deeply burried where review can't catch it.

I'm not sure whether this is the best way to make sure all the
might_sleep() callsites trigger, and it's a bit ugly in the code flow.
But it gets the job done.

Inspired by an i915 patch series which did exactly that, because the rules
haven't been entirely clear to us.

Link: https://lore.kernel.org/r/20190826201425.17547-5-daniel.vetter@ffwll.ch
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Reviewed-by: Jérôme Glisse <jglisse@redhat.com> (v4)
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-09-07 04:28:05 -03:00
..
kasan
mm/kasan: change kasan_check_{read,write} to return boolean
2019-07-12 11:05:42 -07:00
backing-dev.c
backing-dev: no need to check return value of debugfs_create functions
2019-06-03 15:49:07 +02:00
balloon_compaction.c
balloon: fix up comments
2019-07-22 11:19:26 -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: fix the break condition in cma_maxchunk_get()
2019-05-14 09:47:45 -07:00
cma.c
mm/cma.c: fail if fixed declaration can't be honored
2019-07-16 19:23:21 -07:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
mm: compaction: avoid 100% CPU usage during compaction when a task is killed
2019-08-03 07:02:00 -07:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm: update references to page _refcount
2019-05-14 19:52:47 -07:00
dmapool.c
mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options
2019-07-12 11:05:46 -07:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
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/filemap.c: correct the comment about VM_FAULT_RETRY
2019-07-12 11:05:43 -07:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2017-12-14 16:00:48 -08:00
frontswap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
gup_benchmark.c
mm/gup: replace get_user_pages_longterm() with FOLL_LONGTERM
2019-05-14 09:47:45 -07:00
gup.c
mm: introduce ARCH_HAS_PTE_DEVMAP
2019-07-16 19:23:25 -07:00
highmem.c
mm: convert totalram_pages and totalhigh_pages variables to atomic
2018-12-28 12:11:47 -08:00
hmm.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
huge_memory.c
Revert "mm, thp: restore node-local hugepage allocations"
2019-08-13 16:06:52 -07:00
hugetlb_cgroup.c
mm: rename page_counter's count/limit into usage/max
2018-06-07 17:34:35 -07:00
hugetlb.c
hugetlbfs: fix hugetlb page migration/fault race causing SIGBUS
2019-08-13 16:06:53 -07:00
hwpoison-inject.c
hwpoison-inject: no need to check return value of debugfs_create functions
2019-06-03 15:39:40 +02:00
init-mm.c
mm: Allocate the mm_cpumask (mm->cpu_bitmap[]) dynamically based on nr_cpu_ids
2018-07-17 09:35:30 +02:00
internal.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
interval_tree.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248
2019-06-19 17:09:08 +02:00
Kconfig
mm: remove CONFIG_MIGRATE_VMA_HELPER
2019-08-20 09:35:03 -03:00
Kconfig.debug
mm, debug_pagealloc: use a page type instead of page_ext flag
2019-07-12 11:05:43 -07:00
khugepaged.c
Revert "mm: page cache: store only head pages in i_pages"
2019-07-05 19:55:18 -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: disable early logging in case of error
2019-08-13 16:06:52 -07:00
ksm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
list_lru.c
mm: memcg/slab: stop setting page->mem_cgroup pointer for slab pages
2019-07-12 11:05:44 -07:00
maccess.c
The main changes in this release include:
2019-07-18 11:51:00 -07:00
madvise.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
Makefile
memremap: move from kernel/ to mm/
2019-08-03 07:02:01 -07:00
memblock.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
memcontrol.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
memfd.c
Revert "mm: page cache: store only head pages in i_pages"
2019-07-05 19:55:18 -07:00
memory_hotplug.c
mm/memory_hotplug.c: remove unneeded return for void function
2019-08-03 07:02:01 -07:00
memory-failure.c
HMM patches for 5.3
2019-07-14 19:42:11 -07:00
memory.c
mm: thp: make transhuge_vma_suitable available for anonymous THP
2019-07-18 17:08:06 -07:00
mempolicy.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
mempool.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
memremap.c
Merge branch 'odp_fixes' into hmm.git
2019-08-21 20:58:18 -03:00
memtest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
migrate.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
mincore.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
mlock.c
mm/mlock.c: change count_mm_mlocked_page_nr return type
2019-06-13 17:34:56 -10:00
mm_init.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
mmap.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
mmu_context.c
…
mmu_gather.c
mm: mmu_gather: remove __tlb_reset_range() for force flush
2019-06-13 17:34:56 -10:00
mmu_notifier.c
mm, notifier: Catch sleeping/blocking for !blockable
2019-09-07 04:28:05 -03:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
pagewalk: separate function pointers from iterator data
2019-09-07 04:28:04 -03:00
mremap.c
mm/mmu_notifier: contextual information for event triggering invalidation
2019-05-14 09:47:49 -07:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nommu.c
mm: fix the MAP_UNINITIALIZED flag
2019-07-16 19:23:21 -07:00
oom_kill.c
mm/oom_kill.c: remove redundant OOM score normalization in select_bad_process()
2019-07-12 11:05:47 -07:00
page_alloc.c
memremap: remove the dev field in struct dev_pagemap
2019-08-20 09:41:35 -03:00
page_counter.c
memcg: introduce memory.min
2018-06-07 17:34:36 -07:00
page_ext.c
mm, debug_pagealloc: use a page type instead of page_ext flag
2019-07-12 11:05:43 -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
mm, swap: use rbtree for swap_extent
2019-07-12 11:05:43 -07:00
page_isolation.c
mm/page_isolation.c: change the prototype of undo_isolate_page_range()
2019-07-12 11:05:43 -07:00
page_owner.c
mm/page_owner: Simplify stack trace handling
2019-04-29 12:37:50 +02:00
page_poison.c
page_poison: play nicely with KASAN
2019-03-05 21:07:13 -08:00
page_vma_mapped.c
mm/rmap: map_pte() was not handling private ZONE_DEVICE page properly
2018-10-31 08:54:11 -07:00
page-writeback.c
mm: remove the account_page_dirtied export
2019-07-12 11:05:42 -07:00
pagewalk.c
pagewalk: use lockdep_assert_held for locking validation
2019-09-07 04:28:04 -03:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
percpu-vm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
percpu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
pgtable-generic.c
x86/mm: Page size aware flush_tlb_mm_range()
2018-10-09 16:51:11 +02:00
process_vm_access.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
quicklist.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
rmap.c
mm/hmm: fix bad subpage pointer in try_to_unmap_one
2019-08-13 16:06:52 -07:00
rodata_test.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
shmem.c
Revert "Revert "mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask""
2019-08-13 16:06:52 -07:00
shuffle.c
mm: maintain randomization of page free lists
2019-05-14 19:52:48 -07:00
shuffle.h
mm: maintain randomization of page free lists
2019-05-14 19:52:48 -07:00
slab_common.c
mm/slab_common.c: work around clang bug #42570
2019-07-16 19:23:21 -07:00
slab.c
mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options
2019-07-12 11:05:46 -07:00
slab.h
mm: security: introduce init_on_alloc=1 and init_on_free=1 boot options
2019-07-12 11:05:46 -07:00
slob.c
mm/slab: refactor common ksize KASAN logic into slab_common.c
2019-07-12 11:05:42 -07:00
slub.c
mm: slub: Fix slab walking for init_on_free
2019-07-31 13:16:06 -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/sparsemem: cleanup 'section number' data types
2019-07-18 17:08:07 -07:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
mm, swap, get_swap_pages: use entry_size instead of cluster in parameter
2018-08-22 10:52:44 -07:00
swap_state.c
mm/swap_state.c: simplify total_swapcache_pages() with get_swap_device()
2019-07-12 11:05:43 -07:00
swap.c
docs: admin-guide: move sysctl directory to it
2019-07-15 11:03:01 -03:00
swapfile.c
mm, swap: use rbtree for swap_extent
2019-07-12 11:05:43 -07:00
truncate.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
usercopy.c
mm/usercopy: use memory range to be accessed for wraparound check
2019-08-13 16:06:52 -07:00
userfaultfd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499
2019-06-19 17:09:53 +02:00
util.c
mm: add account_locked_vm utility function
2019-07-16 19:23:25 -07:00
vmacache.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
vmalloc.c
mm/vmalloc.c: fix percpu free VM area search criteria
2019-08-13 16:06:52 -07:00
vmpressure.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
vmscan.c
mm, vmscan: do not special-case slab reclaim when watermarks are boosted
2019-08-13 16:06:53 -07:00
vmstat.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
workingset.c
mm: workingset: fix vmstat counters for shadow nodes
2019-08-13 16:06:52 -07:00
z3fold.c
mm/z3fold.c: fix z3fold_destroy_pool() race condition
2019-08-13 16:06:52 -07:00
zbud.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
zpool.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
zsmalloc.c
Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-07-19 10:42:02 -07:00
zswap.c
zswap: ignore debugfs_create_dir() return value
2019-06-03 15:39:39 +02:00