+ memory-tier-use-helper-macro-__attr_rw.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: memory tier: use helper macro __ATTR_RW()
has been added to the -mm mm-unstable branch.  Its filename is
     memory-tier-use-helper-macro-__attr_rw.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memory-tier-use-helper-macro-__attr_rw.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: memory tier: use helper macro __ATTR_RW()
Date: Sat, 15 Jul 2023 11:51:11 +0800

Use helper macro __ATTR_RW to define numa demotion attributes.  Minor
readability improvement.

Link: https://lkml.kernel.org/r/20230715035111.2656784-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory-tiers.c |   13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

--- a/mm/memory-tiers.c~memory-tier-use-helper-macro-__attr_rw
+++ a/mm/memory-tiers.c
@@ -672,16 +672,16 @@ bool numa_demotion_enabled = false;
 
 #ifdef CONFIG_MIGRATION
 #ifdef CONFIG_SYSFS
-static ssize_t numa_demotion_enabled_show(struct kobject *kobj,
-					  struct kobj_attribute *attr, char *buf)
+static ssize_t demotion_enabled_show(struct kobject *kobj,
+				     struct kobj_attribute *attr, char *buf)
 {
 	return sysfs_emit(buf, "%s\n",
 			  numa_demotion_enabled ? "true" : "false");
 }
 
-static ssize_t numa_demotion_enabled_store(struct kobject *kobj,
-					   struct kobj_attribute *attr,
-					   const char *buf, size_t count)
+static ssize_t demotion_enabled_store(struct kobject *kobj,
+				      struct kobj_attribute *attr,
+				      const char *buf, size_t count)
 {
 	ssize_t ret;
 
@@ -693,8 +693,7 @@ static ssize_t numa_demotion_enabled_sto
 }
 
 static struct kobj_attribute numa_demotion_enabled_attr =
-	__ATTR(demotion_enabled, 0644, numa_demotion_enabled_show,
-	       numa_demotion_enabled_store);
+	__ATTR_RW(demotion_enabled);
 
 static struct attribute *numa_attrs[] = {
 	&numa_demotion_enabled_attr.attr,
_

Patches currently in -mm which might be from linmiaohe@huawei.com are

mm-mm_initc-update-obsolete-comment-in-get_pfn_range_for_nid.patch
mm-memory-failure-fix-unexpected-return-value-in-soft_offline_page.patch
mm-memory-failure-fix-potential-page-refcnt-leak-in-memory_failure.patch
mm-memory-failure-remove-unneeded-page-state-check-in-shake_page.patch
memory-tier-use-helper-function-destroy_memory_type.patch
mm-memory-failure-remove-unneeded-inline-annotation.patch
mm-mm_initc-remove-obsolete-macro-hash_small.patch
mm-page_alloc-avoid-false-page-outside-zone-error-info.patch
memory-tier-rename-destroy_memory_type-to-put_memory_type.patch
mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch
mm-memcg-minor-cleanup-for-mem_cgroup_id_max.patch
mm-memory-failure-remove-unneeded-pagehuge-check.patch
mm-memory-failure-ensure-moving-hwpoison-flag-to-the-raw-error-pages.patch
mm-memory-failure-dont-account-hwpoison_filter-filtered-pages.patch
mm-memory-failure-use-local-variable-huge-to-check-hugetlb-page.patch
mm-memory-failure-remove-unneeded-header-files.patch
mm-memory-failure-minor-cleanup-for-comments-and-codestyle.patch
mm-memory-failure-fetch-compound-head-after-extra-page-refcnt-is-held.patch
mm-memory-failure-fix-race-window-when-trying-to-get-hugetlb-folio.patch
mm-huge_memory-use-rmap_none-when-calling-page_add_anon_rmap.patch
mm-memcg-fix-obsolete-comment-above-mem_cgroup_max_reclaim_loops.patch
mm-memcg-minor-cleanup-for-mc_handle_present_pte.patch
memory-tier-use-helper-macro-__attr_rw.patch