The patch titled Subject: mm/damon/core: remove per-scheme region priority histogram buffer has been added to the -mm mm-unstable branch. Its filename is mm-damon-core-remove-per-scheme-region-priority-histogram-buffer.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-core-remove-per-scheme-region-priority-histogram-buffer.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: SeongJae Park <sj@xxxxxxxxxx> Subject: mm/damon/core: remove per-scheme region priority histogram buffer Date: Sun, 25 Aug 2024 21:23:22 -0700 Nobody is reading from or writing to the per-scheme region priorities histogram buffer. It is only wasting memory. Remove it. Link: https://lkml.kernel.org/r/20240826042323.87025-4-sj@xxxxxxxxxx Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/damon.h | 1 - 1 file changed, 1 deletion(-) --- a/include/linux/damon.h~mm-damon-core-remove-per-scheme-region-priority-histogram-buffer +++ a/include/linux/damon.h @@ -233,7 +233,6 @@ struct damos_quota { unsigned long charge_addr_from; /* For prioritization */ - unsigned long histogram[DAMOS_MAX_SCORE + 1]; unsigned int min_score; /* For feedback loop */ _ Patches currently in -mm which might be from sj@xxxxxxxxxx are selftests-damon-add-access_memory_even-to-gitignore.patch selftests-damon-cleanup-__pycache__-with-make-clean.patch selftests-damon-add-execute-permissions-to-test-scripts.patch mm-damon-core-test-test-only-vaddr-case-on-ops-registration-test.patch mm-damon-core-test-fix-damon_test_ops_registration-for-damon_vaddr-unset-case.patch mm-damon-dbgfs-test-skip-dbgfs_set_targets-test-if-paddr-is-not-registered.patch mm-damon-dbgfs-test-skip-dbgfs_set_init_regions-test-if-paddr-is-not-registered.patch mm-damon-move-kunit-tests-to-tests-subdirectory-with-_kunit-suffix.patch mm-damon-tests-add-kunitconfig-file-for-damon-kunit-tests.patch mm-damon-core-intorduce-per-context-region-priorities-histogram-buffer.patch mm-damon-core-replace-per-quota-regions-priority-histogram-buffer-usage-with-per-context-one.patch mm-damon-core-remove-per-scheme-region-priority-histogram-buffer.patch revert-mm-damon-lru_sort-adjust-local-variable-to-dynamic-allocation.patch