From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30628264612 for ; Sun, 5 Jul 2026 19:16:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783278993; cv=none; b=oiEEC8a6cZRjmVglHayv+Bh5Ebasg8RSTAsv/cfDg0VssVlbqFWESx/rMGhra3u3MI/oxkNNks7PEY3OFaPjfZt+F3tyrJi8a69JFpq89wbtFzpx9llYaXetKp11G4VYBcuD8qsYqIKU4Wc05t/85O1YkMuGJbX79MsLLaHlZN4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783278993; c=relaxed/simple; bh=s+wqoZ0+u71+EIHIdBvfT7oEb1c9cCy/d8oHlQFyrbo=; h=Date:To:From:Subject:Message-Id; b=DVjxm8kbLYoQsPI/H1SUTa7hqK+5xwylTQd/l1WrA2AqVOefxIuZ3XZ7TtEP0kfJ8SAqVj2ajOlKv1L+r9NhXPRuyvqMF/8m/tfEuiOpxHAL7hYJJKpTJ33wHFghZ7ZmFq7lS4U4/oPJATlvXZGTwgb9xiT7NOQ1UKnSVqg5b74= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=FlRDqClH; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="FlRDqClH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C26DC1F000E9; Sun, 5 Jul 2026 19:16:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1783278991; bh=sei41tRENWG0L3bM7PDEoi+xvJTUu/PbTtgfRxINI8g=; h=Date:To:From:Subject; b=FlRDqClHqgwtmeoieSAM8pdAZkQ5ZUYp6BsfgD7CnfOtkqLJ+nEACk7pYZK3UoBAF tgxTRxUXY0bA+5OEPX5JbTfIjkQr+mRJfwGUf9jKISl3yiH4ZZ8kqAKwvpfyGeO2Y8 GW0D9CX61J2C0sGulIeLW9P/QHCyIo0k6JkJw1iI= Date: Sun, 05 Jul 2026 12:16:31 -0700 To: mm-commits@vger.kernel.org,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-damon-sysfs-remove-duplicated-commit-input-validity-check.patch added to mm-new branch Message-Id: <20260705191631.C26DC1F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/damon/sysfs: remove duplicated commit input validity check has been added to the -mm mm-new branch. Its filename is mm-damon-sysfs-remove-duplicated-commit-input-validity-check.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-sysfs-remove-duplicated-commit-input-validity-check.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next 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 various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: SJ Park Subject: mm/damon/sysfs: remove duplicated commit input validity check Date: Sun, 5 Jul 2026 08:55:54 -0700 DAMON sysfs interface does parameters validation-purpose damon_commit_ctx() calls for parameters update. Now the same logic is embedded inside damon_commit_ctx() itself. Hence, the validation in DAMON sysfs interface is just an unnecessary duplicate. Remove it. Link: https://lore.kernel.org/20260705155600.96555-4-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 32 +------------------------------- 1 file changed, 1 insertion(+), 31 deletions(-) --- a/mm/damon/sysfs.c~mm-damon-sysfs-remove-duplicated-commit-input-validity-check +++ a/mm/damon/sysfs.c @@ -2099,26 +2099,6 @@ static struct damon_ctx *damon_sysfs_bui struct damon_sysfs_context *sys_ctx); /* - * Return a new damon_ctx for testing new parameters to commit. - */ -static struct damon_ctx *damon_sysfs_new_test_ctx( - struct damon_ctx *running_ctx) -{ - struct damon_ctx *test_ctx; - int err; - - test_ctx = damon_new_ctx(); - if (!test_ctx) - return NULL; - err = damon_commit_ctx(test_ctx, running_ctx); - if (err) { - damon_destroy_ctx(test_ctx); - return NULL; - } - return test_ctx; -} - -/* * damon_sysfs_commit_input() - Commit user inputs to a running kdamond. * @kdamond: The kobject wrapper for the associated kdamond. * @@ -2127,7 +2107,7 @@ static struct damon_ctx *damon_sysfs_new static int damon_sysfs_commit_input(void *data) { struct damon_sysfs_kdamond *kdamond = data; - struct damon_ctx *param_ctx, *test_ctx; + struct damon_ctx *param_ctx; int err; if (!damon_sysfs_kdamond_running(kdamond)) @@ -2139,17 +2119,7 @@ static int damon_sysfs_commit_input(void param_ctx = damon_sysfs_build_ctx(kdamond->contexts->contexts_arr[0]); if (IS_ERR(param_ctx)) return PTR_ERR(param_ctx); - test_ctx = damon_sysfs_new_test_ctx(kdamond->damon_ctx); - if (!test_ctx) { - damon_destroy_ctx(param_ctx); - return -ENOMEM; - } - err = damon_commit_ctx(test_ctx, param_ctx); - if (err) - goto out; err = damon_commit_ctx(kdamond->damon_ctx, param_ctx); -out: - damon_destroy_ctx(test_ctx); damon_destroy_ctx(param_ctx); return err; } _ Patches currently in -mm which might be from sj@kernel.org are maintainers-s-seongjae-sj.patch mm-damon-core-validate-ranges-in-damon_set_regions.patch mm-damon-core-disallow-overlapping-input-ranges-for-damon_set_regions.patch samples-damon-wsse-handle-damon_start-failure.patch samples-damon-prcl-handle-damon_start-failure.patch samples-damon-mtier-handle-damon_start-failure.patch samples-damon-mtier-handle-damon_stop-failure.patch samples-damon-wsse-stop-and-free-damon-ctx-when-damon_call-fails.patch samples-damon-prcl-stop-and-free-damon-ctx-when-damon_call-fails.patch mm-damon-sysfs-kobject_del-target-normal-context-and-kdamond-dirs.patch mm-damon-sysfs-kobject_del-region-and-target-error-dirs.patch mm-damon-sysfs-schemes-kobject_del-scheme-dirs.patch mm-damon-sysfs-schemes-kobject_del-scheme-region-dirs.patch mm-damon-sysfs-schemes-kobject_del-scheme-filter-dirs.patch mm-damon-sysfs-schemes-kobject_del-scheme-quota-goal-dirs.patch mm-damon-sysfs-schemes-kobject_del-scheme-action-destination-dirs.patch mm-damon-sysfs-kobject_del-probe-dirs.patch mm-damon-sysfs-kobject_del-probe-filter-dirs.patch mm-damon-sysfs-kobject_del-probe-dirs-in-probes_addd_dir-error-path.patch mm-damon-sysfs-schemes-kobject_del-region-for-populate_region-error.patch docs-mm-damon-design-update-for-damos_quota_node_eligible_mem_bp.patch docs-abi-damon-document-probe-files.patch mm-damon-tests-core-kunit-test-damon_rand.patch selftests-damon-sysfssh-test-multiple-probe-dirs-creation.patch selftests-damon-sysfssh-test-coreops_filters-directories.patch selftests-damon-sysfssh-test-dests-dir.patch selftests-damon-sysfssh-test-all-files-in-quota-goal-dir.patch mm-damon-core-reduce-range-setup-in-damon_commit_target_regions.patch mm-damon-sysfs-split-probe-setup-function-out.patch mm-damon-sysfs-split-out-filters-setup-function.patch mm-damon-sysfs-fix-typos-in-probe_addrm_dirs-s-attr-probe.patch mm-damon-core-introduce-damon_nr_accesses_mvsum.patch mm-damon-tests-core-kunit-test-damon_mvsum.patch mm-damon-core-always-update-last_nr_accesses-for-intervals-change.patch mm-damon-core-handle-unreset-nr_accesses-in-damon_nr_accesses_mvsum.patch mm-damon-core-use-damon_nr_accesses_mvsum-in-__damos_valid_target.patch mm-damon-core-use-damon_nr_accesses_mvsum-for-damos-region-tracing.patch mm-damon-sysfs-schemes-use-damon_nr_accesses_mvsum-for-damo-regions.patch mm-damon-core-remove-damon_warn_fix_nr_accesses_corruption.patch mm-damon-core-remove-damon_verify_reset_aggregated.patch mm-damon-core-remove-damon_verify_merge_regions_of.patch mm-damon-tests-core-kunit-remove-nr_accesses_bp-setup-and-tests.patch selftests-damon-drgn_dump_damon_status-do-not-dump-nr_accesses_bp.patch mm-damon-core-remove-nr_accesses_bp-setups-and-updates.patch mm-damon-core-remove-attrs-param-from-damon_update_region_access_rate.patch mm-damon-paddr-remove-attrs-param-from-__damon_pa_check_access.patch mm-damon-vaddr-remove-attrs-param-from-__damon_va_check_access.patch mm-damon-core-remove-damon_moving_sum-and-its-unit-test.patch mm-damon-core-remove-damon_region-nr_accesses_bp.patch mm-damon-add-damon_region-last_probe_hits.patch mm-damon-core-introduce-damon_probe_hits_mvsum.patch mm-damon-sysfs-schemes-set-probe-hits-as-pseudo-moving-sums.patch mm-damon-core-safely-validate-src-on-damon_commit_ctx.patch mm-damon-core-do-parameter-testing-commit-on-damon_start.patch mm-damon-sysfs-remove-duplicated-commit-input-validity-check.patch mm-damon-reclaim-remove-duplicated-min_region_sz-power-of-2-check.patch mm-damon-lru_sort-remove-duplicated-min_region_sz-power_of_2-check.patch mm-damon-document-region-size-validation-in-damon_set_regions.patch mm-damon-core-remove-start-end-check-in-damon_set_region_system_rams.patch mm-damon-sysfs-remove-region-size-validation.patch