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Christoph Hellwig b944afc9d6 mm: add a VM_MAP_PUT_PAGES flag for vmap 
Add a flag so that vmap takes ownership of the passed in page array.  When
vfree is called on such an allocation it will put one reference on each
page, and free the page array itself.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Link: https://lkml.kernel.org/r/20201002122204.1534411-3-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-18 09:27:10 -07:00
..
kasan
mm: kasan: do not panic if both panic_on_warn and kasan_multishot set
2020-10-13 18:38:32 -07:00
backing-dev.c
bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag
2020-09-24 13:43:39 -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
debugfs: make sure we can remove u32_array files cleanly
2020-07-10 13:54:00 -07:00
cma.c
cma: don't quit at first error when activating reserved areas
2020-08-12 10:57:57 -07:00
cma.h
mm: cma: use CMA_MAX_NAME to define the length of cma name array
2020-09-01 09:19:43 +02:00
compaction.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: avoid doing memory allocation with pgtable_t mapped.
2020-10-16 11:11:14 -07:00
debug.c
mm, dump_page: rename head_mapcount() --> head_compound_mapcount()
2020-10-13 18:38:29 -07:00
dmapool.c
mm/dmapool.c: replace hard coded function name with __func__
2020-10-13 18:38:32 -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, fadvise: improve the expensive remote LRU cache draining after FADV_DONTNEED
2020-10-13 18:38:29 -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
Merge branch 'akpm' (patches from Andrew)
2020-10-16 11:31:55 -07:00
frame_vector.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
frontswap.c
mm/frontswap: mark various intentional data races
2020-08-14 19:56:56 -07:00
gup_benchmark.c
mm/gup_benchmark: take the mmap lock around GUP
2020-10-18 09:27:09 -07:00
gup.c
mm/gup: take mmap_lock in get_dump_page()
2020-10-16 11:11:21 -07:00
highmem.c
mm/highmem.c: clean up endif comments
2020-10-16 11:11:18 -07:00
hmm.c
mm: do page fault accounting in handle_mm_fault
2020-08-12 10:58:02 -07:00
huge_memory.c
mm: fix a race during THP splitting
2020-10-16 11:11:15 -07:00
hugetlb_cgroup.c
hugetlb_cgroup: convert comma to semicolon
2020-08-21 09:52:52 -07:00
hugetlb.c
dma-mapping updates for 5.10
2020-10-15 14:43:29 -07:00
hwpoison-inject.c
mm,hwpoison-inject: don't pin for hwpoison_filter
2020-10-16 11:11:16 -07:00
init-mm.c
mmap locking API: add MMAP_LOCK_INITIALIZER
2020-06-09 09:39:14 -07:00
internal.h
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
interval_tree.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248
2019-06-19 17:09:08 +02:00
ioremap.c
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
Kconfig
mm/memory_hotplug: mark pageblocks MIGRATE_ISOLATE while onlining memory
2020-10-16 11:11:17 -07:00
Kconfig.debug
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
khugepaged.c
mm: remove the now-unnecessary mmget_still_valid() hack
2020-10-16 11:11:22 -07:00
kmemleak.c
mm/kmemleak: rely on rcu for task stack scanning
2020-10-13 18:38:27 -07:00
ksm.c
docs: get rid of :c:type explicit declarations for structs
2020-10-15 07:49:40 +02:00
list_lru.c
mm/list_lru: fix a data race in list_lru_count_one
2020-08-14 19:56:57 -07:00
maccess.c
uaccess: add force_uaccess_{begin,end} helpers
2020-08-12 10:57:59 -07:00
madvise.c
mm/madvise: introduce process_madvise() syscall: an external memory hinting API
2020-10-18 09:27:10 -07:00
Makefile
mm,kmemleak-test.c: move kmemleak-test.c to samples dir
2020-10-13 18:38:27 -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
memblock: get rid of a :c:type leftover
2020-10-15 07:49:46 +02:00
memcontrol.c
mm: kmem: enable kernel memcg accounting from interrupt contexts
2020-10-18 09:27:09 -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: remove a wrapper for alloc_migration_target()
2020-10-18 09:27:09 -07:00
memory-failure.c
mm/memory-failure: remove a wrapper for alloc_migration_target()
2020-10-18 09:27:09 -07:00
memory.c
mm/memory: remove page fault assumption of compound page size
2020-10-16 11:11:15 -07:00
mempolicy.c
mm: remove unused alloc_page_vma_node()
2020-10-13 18:38:34 -07:00
mempool.c
mm/mempool: add 'else' to split mutually exclusive case
2020-10-13 18:38:34 -07:00
memremap.c
mm: pass migratetype into memmap_init_zone() and move_pfn_range_to_zone()
2020-10-16 11:11:17 -07:00
memtest.c
…
migrate.c
mm/migrate: avoid possible unnecessary process right check in kernel_move_pages()
2020-10-18 09:27:09 -07:00
mincore.c
mm: factor find_get_incore_page out of mincore_page
2020-10-13 18:38:29 -07:00
mlock.c
mlock: fix unevictable_pgs event counts on THP
2020-09-19 13:13:38 -07:00
mm_init.c
mm: adjust vm_committed_as_batch according to vm overcommit policy
2020-08-07 11:33:26 -07:00
mmap.c
mm/mmap: add inline munmap_vma_range() for code readability
2020-10-18 09:27:09 -07:00
mmu_gather.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
mmu_notifier.c
mm/mmu_notifier: fix mmget() assert in __mmu_interval_notifier_insert
2020-10-16 11:11:17 -07:00
mmzone.c
…
mprotect.c
mm: Introduce arch_validate_flags()
2020-09-04 12:46:07 +01:00
mremap.c
mm/mremap: start addresses are properly aligned
2020-08-07 11:33:27 -07:00
msync.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
nommu.c
Fix references to nommu-mmap.rst
2020-09-24 11:03:40 -06:00
oom_kill.c
mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary
2020-10-13 18:38:35 -07:00
page_alloc.c
Merge branch 'akpm' (patches from Andrew)
2020-10-16 11:31:55 -07:00
page_counter.c
mm/page_counter: correct the obsolete func name in the comment of page_counter_try_charge()
2020-10-13 18:38:30 -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: skip offline pages
2020-06-08 11:05:55 -07:00
page_io.c
mm/page_io.c: remove useless out label in __swap_writepage()
2020-10-13 18:38:30 -07:00
page_isolation.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
page_owner.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
page_poison.c
mm/page_poison.c: replace bool variable with static key
2020-10-16 11:11:17 -07:00
page_reporting.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
page_reporting.h
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
page_vma_mapped.c
mm: replace hpage_nr_pages with thp_nr_pages
2020-08-14 19:56:56 -07:00
page-writeback.c
mm/page-writeback: support tail pages in wait_for_stable_page
2020-10-16 11:11:15 -07:00
pagewalk.c
mmap locking API: convert mmap_sem comments
2020-06-09 09:39:14 -07:00
percpu-internal.h
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-km.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-stats.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu-vm.c
mm: memcg/percpu: account percpu memory to memory cgroups
2020-08-12 10:57:55 -07:00
percpu.c
mm: kmem: move memcg_kmem_bypass() calls to get_mem/obj_cgroup_from_current()
2020-10-18 09:27:09 -07:00
pgalloc-track.h
mm: move p?d_alloc_track to separate header file
2020-08-07 11:33:26 -07:00
pgtable-generic.c
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
process_vm_access.c
mm: remove compat_process_vm_{readv,writev}
2020-10-03 00:02:15 -04:00
ptdump.c
mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
2020-06-09 09:39:14 -07:00
readahead.c
mm/readahead: pass a file_ra_state into force_page_cache_ra
2020-10-16 11:11:16 -07:00
rmap.c
mm/rmap: fix assumptions of THP size
2020-10-16 11:11:15 -07:00
rodata_test.c
mm/rodata_test.c: fix missing function declaration
2020-08-21 09:52:53 -07:00
shmem.c
fs: add a filesystem flag for THPs
2020-10-16 11:11:15 -07:00
shuffle.c
mm: rename page_order() to buddy_order()
2020-10-16 11:11:19 -07:00
shuffle.h
mm/shuffle: remove dynamic reconfiguration
2020-08-07 11:33:29 -07:00
slab_common.c
mm/slab_common.c: delete duplicated word
2020-08-12 10:57:58 -07:00
slab.c
mm: fix some comments formatting
2020-10-16 11:11:19 -07:00
slab.h
mm: kmem: move memcg_kmem_bypass() calls to get_mem/obj_cgroup_from_current()
2020-10-18 09:27:09 -07:00
slob.c
mm: memcg: convert vmstat slab counters to bytes
2020-08-07 11:33:24 -07:00
slub.c
mm: fix some comments formatting
2020-10-16 11:11:19 -07:00
sparse-vmemmap.c
mm/sparse: only sub-section aligned range would be populated
2020-08-07 11:33:27 -07:00
sparse.c
mm/memory_hotplug: guard more declarations by CONFIG_MEMORY_HOTPLUG
2020-10-16 11:11:18 -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: remove always zero and unused return value of enable_swap_slots_cache()
2020-10-13 18:38:30 -07:00
swap_state.c
mm: fix some broken comments
2020-10-16 11:11:19 -07:00
swap.c
mm: move call to compound_head() in release_pages()
2020-10-13 18:38:33 -07:00
swapfile.c
mm/swapfile.c: fix potential memory leak in sys_swapon
2020-10-13 18:38:30 -07:00
truncate.c
mm/truncate: fix truncation for pages of arbitrary size
2020-10-16 11:11:15 -07:00
usercopy.c
mm/usercopy.c: delete duplicated word
2020-08-12 10:57:58 -07:00
userfaultfd.c
mm/vmscan: protect the workingset on anonymous LRU
2020-08-12 10:57:55 -07:00
util.c
mm/util.c: update the kerneldoc for kstrdup_const()
2020-10-16 11:11:17 -07:00
vmacache.c
kernel: better document the use_mm/unuse_mm API contract
2020-06-10 19:14:18 -07:00
vmalloc.c
mm: add a VM_MAP_PUT_PAGES flag for vmap
2020-10-18 09:27:10 -07:00
vmpressure.c
mm: vmpressure: use mem_cgroup_is_root API
2020-04-02 09:35:31 -07:00
vmscan.c
mm: use self-explanatory macros rather than "2"
2020-10-16 11:11:19 -07:00
vmstat.c
mm/vmstat.c: use helper macro abs()
2020-10-16 11:11:17 -07:00
workingset.c
mm/workingset.c: fix some doc warnings
2020-10-16 11:11:19 -07:00
z3fold.c
mm/z3fold.c: use xx_zalloc instead xx_alloc and memset
2020-10-13 18:38:34 -07:00
zbud.c
mm/zbud: remove redundant initialization
2020-10-13 18:38:34 -07:00
zpool.c
mm/zpool.c: delete duplicated word and fix grammar
2020-08-12 10:57:58 -07:00
zsmalloc.c
mm/zsmalloc.c: fix duplicated words
2020-08-12 10:57:58 -07:00
zswap.c
mm/zswap: allow setting default status, compressor and allocator in Kconfig
2020-04-07 10:43:41 -07:00