The patch titled
Subject: mm/damon/core-test: test damon_set_regions
has been added to the -mm mm-unstable branch. Its filename is
mm-damon-core-test-test-damon_set_regions.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-test-test-damon_set_regions.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-test: test damon_set_regions
Date: Fri, 9 Sep 2022 20:28:57 +0000
Preceding commit fixes a bug in 'damon_set_regions()', which allows holes
in the new monitoring target ranges. This commit adds a kunit test case
for the problem to avoid any regression.
Link: https://lkml.kernel.org/r/20220909202901.57977-4-sj@xxxxxxxxxx
Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>
Cc: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Yun Levi <ppbuk5246@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/damon/core-test.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
--- a/mm/damon/core-test.h~mm-damon-core-test-test-damon_set_regions
+++ a/mm/damon/core-test.h
@@ -267,6 +267,28 @@ static void damon_test_ops_registration(
KUNIT_EXPECT_EQ(test, damon_register_ops(&ops), -EINVAL);
}
+static void damon_test_set_regions(struct kunit *test)
+{
+ struct damon_target *t = damon_new_target();
+ struct damon_region *r1 = damon_new_region(4, 16);
+ struct damon_region *r2 = damon_new_region(24, 32);
+ struct damon_addr_range range = {.start = 8, .end = 28};
+ unsigned long expects[] = {8, 16, 16, 24, 24, 28};
+ int expect_idx = 0;
+ struct damon_region *r;
+
+ damon_add_region(r1, t);
+ damon_add_region(r2, t);
+ damon_set_regions(t, &range, 1);
+
+ KUNIT_EXPECT_EQ(test, damon_nr_regions(t), 3);
+ damon_for_each_region(r, t) {
+ KUNIT_EXPECT_EQ(test, r->ar.start, expects[expect_idx++]);
+ KUNIT_EXPECT_EQ(test, r->ar.end, expects[expect_idx++]);
+ }
+ damon_destroy_target(t);
+}
+
static struct kunit_case damon_test_cases[] = {
KUNIT_CASE(damon_test_target),
KUNIT_CASE(damon_test_regions),
@@ -276,6 +298,7 @@ static struct kunit_case damon_test_case
KUNIT_CASE(damon_test_merge_regions_of),
KUNIT_CASE(damon_test_split_regions_of),
KUNIT_CASE(damon_test_ops_registration),
+ KUNIT_CASE(damon_test_set_regions),
{},
};
_
Patches currently in -mm which might be from sj@xxxxxxxxxx are
mm-demotion-update-node_is_toptier-to-work-with-memory-tiers-fix.patch
selftest-damon-add-a-test-for-duplicate-context-dirs-creation.patch
mm-damon-core-avoid-holes-in-newly-set-monitoring-target-ranges.patch
mm-damon-core-test-test-damon_set_regions.patch
docs-admin-guide-mm-damon-rename-the-title-of-the-document.patch
mm-damon-kconfig-notify-debugfs-deprecation-plan.patch
docs-admin-guide-mm-damon-start-mention-the-dependency-as-sysfs-instead-of-debugfs.patch
docs-admin-guide-mm-damon-usage-note-damon-debugfs-interface-deprecation-plan.patch
