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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,usamaarif642@gmail.com,stable@vger.kernel.org,davidgow@davidgow.net,brendan.higgins@linux.dev,sj@kernel.org,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-damon-sysfs-schemes-use-switch-case-in-add_scheme_filters.patch removed from -mm tree
Date: Mon, 12 Oct 2026 21:31:43 -0700	[thread overview]
Message-ID: <20261013043144.434291F00893@smtp.kernel.org> (raw)


The quilt patch titled
     Subject: mm/damon/sysfs-schemes: use switch-case in add_scheme_filters()
has been removed from the -mm tree.  Its filename was
     mm-damon-sysfs-schemes-use-switch-case-in-add_scheme_filters.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: SJ Park <sj@kernel.org>
Subject: mm/damon/sysfs-schemes: use switch-case in add_scheme_filters()
Date: Mon, 14 Sep 2026 07:23:23 -0700

damon_sysfs_add_scheeme_filters() has long if-else chains for DAMOS filter
types.  Convert the code to use switch-case, which would be cleaner and
more efficient.

Link: https://lore.kernel.org/20260914142327.92510-7-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@davidgow.net>
Cc: Usama Arif <usamaarif642@gmail.com>
Cc: <stable@vger.kernel.org>
---

 mm/damon/sysfs-schemes.c |   18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

--- a/mm/damon/sysfs-schemes.c~mm-damon-sysfs-schemes-use-switch-case-in-add_scheme_filters
+++ a/mm/damon/sysfs-schemes.c
@@ -2822,7 +2822,8 @@ static int damon_sysfs_add_scheme_filter
 
 		if (!filter)
 			return -ENOMEM;
-		if (filter->type == DAMOS_FILTER_TYPE_MEMCG) {
+		switch (filter->type) {
+		case DAMOS_FILTER_TYPE_MEMCG:
 			err = damon_sysfs_memcg_path_to_id(
 					sysfs_filter->memcg_path,
 					&filter->memcg_id);
@@ -2830,16 +2831,23 @@ static int damon_sysfs_add_scheme_filter
 				damos_destroy_filter(filter);
 				return err;
 			}
-		} else if (filter->type == DAMOS_FILTER_TYPE_ADDR) {
+			break;
+		case DAMOS_FILTER_TYPE_ADDR:
 			filter->addr_range = sysfs_filter->addr_range;
-		} else if (filter->type == DAMOS_FILTER_TYPE_TARGET) {
+			break;
+		case DAMOS_FILTER_TYPE_TARGET:
 			filter->target_idx = sysfs_filter->target_idx;
-		} else if (filter->type == DAMOS_FILTER_TYPE_HUGEPAGE_SIZE) {
+			break;
+		case DAMOS_FILTER_TYPE_HUGEPAGE_SIZE:
 			filter->sz_range.min = sysfs_filter->range_min;
 			filter->sz_range.max = sysfs_filter->range_max;
-		} else if (filter->type == DAMOS_FILTER_TYPE_PROBE_HITS_WSUM) {
+			break;
+		case DAMOS_FILTER_TYPE_PROBE_HITS_WSUM:
 			filter->range_min = sysfs_filter->range_min;
 			filter->range_max = sysfs_filter->range_max;
+			break;
+		default:
+			break;
 		}
 
 		damos_add_filter(scheme, filter);
_

Patches currently in -mm which might be from sj@kernel.org are

mm-damon-core-introduce-damos_quota_goal-complement.patch
mm-damon-core-add-complement-argument-to-damos_new_quota_goal.patch
mm-damon-sysfs-schemes-support-quota-goal-complement-flag.patch
mm-damon-tests-core-kunit-test-quota_goal-complement-commit.patch
selftests-damon-sysfssh-test-quota-goal-complement-flag-file.patch
docs-mm-damon-design-document-damos-quota-goal-complement-flag.patch
docs-admin-guide-mm-damon-usage-update-for-quota-goal-complement-file.patch
docs-abi-damon-update-for-quota-goal-metric-complement-sysfs-file.patch


                 reply	other threads:[~2026-10-13  4:31 UTC|newest]

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