Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "21 patches.

  Subsystems affected by this patch series: MAINTAINERS, mailmap, and mm
  (mlock, pagecache, damon, slub, memcg, hugetlb, and pagecache)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (21 commits)
  mm: bdi: initialize bdi_min_ratio when bdi is unregistered
  hugetlbfs: fix issue of preallocation of gigantic pages can't work
  mm/memcg: relocate mod_objcg_mlstate(), get_obj_stock() and put_obj_stock()
  mm/slub: fix endianness bug for alloc/free_traces attributes
  selftests/damon: split test cases
  selftests/damon: test debugfs file reads/writes with huge count
  selftests/damon: test wrong DAMOS condition ranges input
  selftests/damon: test DAMON enabling with empty target_ids case
  selftests/damon: skip test if DAMON is running
  mm/damon/vaddr-test: remove unnecessary variables
  mm/damon/vaddr-test: split a test function having >1024 bytes frame size
  mm/damon/vaddr: remove an unnecessary warning message
  mm/damon/core: remove unnecessary error messages
  mm/damon/dbgfs: remove an unnecessary error message
  mm/damon/core: use better timer mechanisms selection threshold
  mm/damon/core: fix fake load reports due to uninterruptible sleeps
  timers: implement usleep_idle_range()
  filemap: remove PageHWPoison check from next_uptodate_page()
  mailmap: update email address for Guo Ren
  MAINTAINERS: update kdump maintainers
  ...

1 files changed, 19 insertions, 0 deletions

diff --git a/tools/testing/selftests/damon/debugfs_schemes.sh b/tools/testing/selftests/damon/debugfs_schemes.sh
new file mode 100644
index 000000000000..5b39ab44731c
--- /dev/null
+++ b/tools/testing/selftests/damon/debugfs_schemes.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source _debugfs_common.sh
+
+# Test schemes file
+# =================
+
+file="$DBGFS/schemes"
+orig_content=$(cat "$file")
+
+test_write_succ "$file" "1 2 3 4 5 6 4 0 0 0 1 2 3 1 100 3 2 1" \
+	"$orig_content" "valid input"
+test_write_fail "$file" "1 2
+3 4 5 6 3 0 0 0 1 2 3 1 100 3 2 1" "$orig_content" "multi lines"
+test_write_succ "$file" "" "$orig_content" "disabling"
+test_write_fail "$file" "2 1 2 1 10 1 3 10 1 1 1 1 1 1 1 1 2 3" \
+	"$orig_content" "wrong condition ranges"
+echo "$orig_content" > "$file"