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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- The series "resource: A couple of cleanups" from Andy Shevchenko
performs some cleanups in the resource management code
- The series "Improve the copy of task comm" from Yafang Shao addresses
possible race-induced overflows in the management of
task_struct.comm[]
- The series "Remove unnecessary header includes from
{tools/}lib/list_sort.c" from Kuan-Wei Chiu adds some cleanups and a
small fix to the list_sort library code and to its selftest
- The series "Enhance min heap API with non-inline functions and
optimizations" also from Kuan-Wei Chiu optimizes and cleans up the
min_heap library code
- The series "nilfs2: Finish folio conversion" from Ryusuke Konishi
finishes off nilfs2's folioification
- The series "add detect count for hung tasks" from Lance Yang adds
more userspace visibility into the hung-task detector's activity
- Apart from that, singelton patches in many places - please see the
individual changelogs for details
* tag 'mm-nonmm-stable-2024-11-24-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
gdb: lx-symbols: do not error out on monolithic build
kernel/reboot: replace sprintf() with sysfs_emit()
lib: util_macros_kunit: add kunit test for util_macros.h
util_macros.h: fix/rework find_closest() macros
Improve consistency of '#error' directive messages
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
hung_task: add docs for hung_task_detect_count
hung_task: add detect count for hung tasks
dma-buf: use atomic64_inc_return() in dma_buf_getfile()
fs/proc/kcore.c: fix coccinelle reported ERROR instances
resource: avoid unnecessary resource tree walking in __region_intersects()
ocfs2: remove unused errmsg function and table
ocfs2: cluster: fix a typo
lib/scatterlist: use sg_phys() helper
checkpatch: always parse orig_commit in fixes tag
nilfs2: convert metadata aops from writepage to writepages
nilfs2: convert nilfs_recovery_copy_block() to take a folio
nilfs2: convert nilfs_page_count_clean_buffers() to take a folio
nilfs2: remove nilfs_writepage
nilfs2: convert checkpoint file to be folio-based
...
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The phys_addr_t size is predicated on whether CONFIG_PHYS_ADDR_T_64BIT is
set or not.
In the VMA tests, virt_to_phys() from tools/include/linux casts a volatile
void * pointer to phys_addr_t, if CONFIG_PHYS_ADDR_T_64BIT is not set,
this will be 32-bit and trigger a warning.
Obviously this might also lead to truncation, which we would rather avoid.
Fix this by adjusting the generation of generated/bit-length.h to generate
a CONFIG_PHYS_ADDR_T{bits}BIT define.
This does result in the generation of the useless CONFIG_PHYS_ADDR_T_32BIT
define for 32-bit systems, but this should have no effect, and makes
implementation of this easier.
This resolves the issue and the warning.
[lorenzo.stoakes@oracle.com: VMA tests not properly importing bit-length.h]
Link: https://lkml.kernel.org/r/a6183df9-3108-4d59-8128-4fc6c14e22a5@lucifer.local
Link: https://lkml.kernel.org/r/20241017165638.95602-1-lorenzo.stoakes@oracle.com
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Tested-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Jann Horn <jannh@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Fix the following -Wunused-result warnings on posix_memalign()
return values and add error handling.
./shared/linux.c:100:25: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result]
100 | posix_memalign(&p, cachep->align, cachep->size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../shared/linux.c: In function `kmem_cache_alloc_bulk':
../shared/linux.c:198:33: warning: ignoring return value of `posix_memalign' declared with attribute `warn_unused_result' [-Wunused-result]
198 | posix_memalign(&p[i], cachep->align,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
199 | cachep->size);
| ~~~~~~~~~~~~~
Link: https://lkml.kernel.org/r/20241011225155.27607-1-skhan@linuxfoundation.org
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"19 hotfixes. 13 are cc:stable.
There's a focus on fixes for the memfd_pin_folios() work which was
added into 6.11. Apart from that, the usual shower of singleton fixes"
* tag 'mm-hotfixes-stable-2024-09-27-09-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
ocfs2: fix uninit-value in ocfs2_get_block()
zram: don't free statically defined names
memory tiers: use default_dram_perf_ref_source in log message
Revert "list: test: fix tests for list_cut_position()"
kselftests: mm: fix wrong __NR_userfaultfd value
compiler.h: specify correct attribute for .rodata..c_jump_table
mm/damon/Kconfig: update DAMON doc URL
mm: kfence: fix elapsed time for allocated/freed track
ocfs2: fix deadlock in ocfs2_get_system_file_inode
ocfs2: reserve space for inline xattr before attaching reflink tree
mm: migrate: annotate data-race in migrate_folio_unmap()
mm/hugetlb: simplify refs in memfd_alloc_folio
mm/gup: fix memfd_pin_folios alloc race panic
mm/gup: fix memfd_pin_folios hugetlb page allocation
mm/hugetlb: fix memfd_pin_folios resv_huge_pages leak
mm/hugetlb: fix memfd_pin_folios free_huge_pages leak
mm/filemap: fix filemap_get_folios_contig THP panic
mm: make SPLIT_PTE_PTLOCKS depend on SMP
tools: fix shared radix-tree build
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The shared radix-tree build is not correctly recompiling when
lib/maple_tree.c and lib/test_maple_tree.c are modified - fix this by
adding these core components to the SHARED_DEPS list.
Additionally, add missing header guards to shared header files.
Link: https://lkml.kernel.org/r/20240924180724.112169-1-lorenzo.stoakes@oracle.com
Fixes: 74579d8dab47 ("tools: separate out shared radix-tree components")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Tested-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
- new memblock_estimated_nr_free_pages() helper to replace
totalram_pages() which is less accurate when
CONFIG_DEFERRED_STRUCT_PAGE_INIT is set
- fixes for memblock tests
* tag 'memblock-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
s390/mm: get estimated free pages by memblock api
kernel/fork.c: get estimated free pages by memblock api
mm/memblock: introduce a new helper memblock_estimated_nr_free_pages()
memblock test: fix implicit declaration of function 'strscpy'
memblock test: fix implicit declaration of function 'isspace'
memblock test: fix implicit declaration of function 'memparse'
memblock test: add the definition of __setup()
memblock test: fix implicit declaration of function 'virt_to_phys'
tools/testing: abstract two init.h into common include directory
memblock tests: include export.h in linkage.h as kernel dose
memblock tests: include memory_hotplug.h in mmzone.h as kernel dose
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Add new callback fields to the userspace implementation of struct
kmem_cache. This allows for executing callback functions in order to
further test low memory scenarios where node allocation is retried.
This callback can help test race conditions by calling a function when a
low memory event is tested.
Link: https://lkml.kernel.org/r/20240812190543.71967-2-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The core components contained within the radix-tree tests which provide
shims for kernel headers and access to the maple tree are useful for
testing other things, so separate them out and make the radix tree tests
dependent on the shared components.
This lays the groundwork for us to add VMA tests of the newly introduced
vma.c file.
Link: https://lkml.kernel.org/r/1ee720c265808168e0d75608e687607d77c36719.1722251717.git.lorenzo.stoakes@oracle.com
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Brendan Higgins <brendanhiggins@google.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: David Gow <davidgow@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Kees Cook <kees@kernel.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Rae Moar <rmoar@google.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Pengfei Xu <pengfei.xu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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