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* tools/mm: update the usage output to be more organizedAudra Mitchell2023-10-181-13/+20
| | | | | | | | | | | | | Organize the usage options alphabetically and improve the description of some options. Also separate the more complicated cull options from the single use compare options. Link: https://lkml.kernel.org/r/20231013190350.579407-6-audra@redhat.com Signed-off-by: Audra Mitchell <audra@redhat.com> Acked-by: Rafael Aquini <aquini@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Georgi Djakov <djakov@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/mm: fix the default case for page_owner_sortAudra Mitchell2023-10-181-8/+53
| | | | | | | | | | | | | | | With the additional commands and timestamps added to the tool, the default case (-t) has been broken. Now that the allocation timestamps are saved outside of the txt field, allow us to properly sort the data by number of times the record has been seen. Furthermore prevent the misuse of the commandline arguments so only one compare option can be used. Link: https://lkml.kernel.org/r/20231013190350.579407-5-audra@redhat.com Signed-off-by: Audra Mitchell <audra@redhat.com> Acked-by: Rafael Aquini <aquini@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Georgi Djakov <djakov@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/mm: filter out timestamps for correct collationAudra Mitchell2023-10-181-7/+18
| | | | | | | | | | | | | | | | | | | With the introduction of allocation timestamps being included in page_owner output, each record becomes unique due to the timestamp nanosecond granularity. Remove the check in add_list that tries to collate each record during processing as the memcmp() is just additional overhead at this point. Also keep the allocation timestamps, but allow collation to occur without consideration of the allocation timestamp except in the case were allocation timestamps are requested by the user (the -a option). Link: https://lkml.kernel.org/r/20231013190350.579407-4-audra@redhat.com Signed-off-by: Audra Mitchell <audra@redhat.com> Acked-by: Rafael Aquini <aquini@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Georgi Djakov <djakov@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/mm: remove references to free_ts from page_owner_sortAudra Mitchell2023-10-181-86/+12
| | | | | | | | | | | | | With the removal of free timestamps from page_owner output, we no longer need to handle this case or the "unreleased" case. Remove all references to both cases. Link: https://lkml.kernel.org/r/20231013190350.579407-3-audra@redhat.com Signed-off-by: Audra Mitchell <audra@redhat.com> Acked-by: Rafael Aquini <aquini@redhat.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Cc: Georgi Djakov <djakov@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/mm: fix undefined reference to pthread_onceXie XiuQi2023-09-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Commit 97d5f2e9ee12 ("tools api fs: More thread safety for global filesystem variables") introduces pthread_once, so the libpthread should be added at link time, or we'll meet the following compile error when 'make -C tools/mm': gcc -Wall -Wextra -I../lib/ -o page-types page-types.c ../lib/api/libapi.a ~/linux/tools/lib/api/fs/fs.c:146: undefined reference to `pthread_once' ~/linux/tools/lib/api/fs/fs.c:147: undefined reference to `pthread_once' ~/linux/tools/lib/api/fs/fs.c:148: undefined reference to `pthread_once' ~/linux/tools/lib/api/fs/fs.c:149: undefined reference to `pthread_once' ~/linux/tools/lib/api/fs/fs.c:150: undefined reference to `pthread_once' /usr/bin/ld: ../lib/api/libapi.a(libapi-in.o):~/linux/tools/lib/api/fs/fs.c:151: more undefined references to `pthread_once' follow collect2: error: ld returned 1 exit status make: *** [Makefile:22: page-types] Error 1 Link: https://lkml.kernel.org/r/20230831034205.2376653-1-xiexiuqi@huaweicloud.com Fixes: 97d5f2e9ee12 ("tools api fs: More thread safety for global filesystem variables") Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* Merge tag 'slab-for-6.4' of ↵Linus Torvalds2023-04-251-5/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab Pull slab updates from Vlastimil Babka: "The main change is naturally the SLOB removal. Since its deprecation in 6.2 I've seen no complaints so hopefully SLUB_(TINY) works well for everyone and we can proceed. Besides the code cleanup, the main immediate benefit will be allowing kfree() family of function to work on kmem_cache_alloc() objects, which was incompatible with SLOB. This includes kfree_rcu() which had no kmem_cache_free_rcu() counterpart yet and now it shouldn't be necessary anymore. Besides that, there are several small code and comment improvements from Thomas, Thorsten and Vernon" * tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: mm/slab: document kfree() as allowed for kmem_cache_alloc() objects mm/slob: remove slob.c mm/slab: remove CONFIG_SLOB code from slab common code mm, pagemap: remove SLOB and SLQB from comments and documentation mm, page_flags: remove PG_slob_free mm/slob: remove CONFIG_SLOB mm/slub: fix help comment of SLUB_DEBUG mm: slub: make kobj_type structure constant slab: Adjust comment after refactoring of gfp.h
| * mm, page_flags: remove PG_slob_freeVlastimil Babka2023-03-291-5/+1
| | | | | | | | | | | | | | | | | | | | With SLOB removed we no longer need the PG_slob_free alias for PG_private. Also update tools/mm/page-types. Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Acked-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
* | tools/mm/page_owner_sort.c: fix TGID output when cull=tg is usedSteve Chou2023-04-161-1/+1
|/ | | | | | | | | | | | When using cull option with 'tg' flag, the fprintf is using pid instead of tgid. It should use tgid instead. Link: https://lkml.kernel.org/r/20230411034929.2071501-1-steve_chou@pesi.com.tw Fixes: 9c8a0a8e599f4a ("tools/vm/page_owner_sort.c: support for user-defined culling rules") Signed-off-by: Steve Chou <steve_chou@pesi.com.tw> Cc: Jiajian Ye <yejiajian2018@email.szu.edu.cn> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/mm: allow users to provide additional cflags/ldflagsHerton R. Krzesinski2023-02-021-2/+2
| | | | | | | | | | | | | | | | | | | | | Right now there is no way to provide additional cflags/ldflags when building tools/vm binaries. And using eg. make CFLAGS=<options> will override the CFLAGS being set in the Makefile, making the build fail since it requires the include of the ../lib dir (for libapi). This change then allows you to specify: CFLAGS=<options> LDFLAGS=<options> make V=1 -C tools/vm And the options will be correctly appended as can be seen from the make output. Link: https://lkml.kernel.org/r/20230116224921.4106324-1-herton@redhat.com Signed-off-by: Herton R. Krzesinski <herton@redhat.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Justin Forbes <jforbes@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Scott Weaver <scweaver@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* tools/vm: rename tools/vm to tools/mmSeongJae Park2023-01-186-0/+4141
Rename tools/vm to tools/mm for being more consistent with the code and documentation directories, and won't be confused with virtual machines. Link: https://lkml.kernel.org/r/20230103180754.129637-4-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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