[to-be-updated] mm-zswap-skip-confusing-print-info.patch removed from -mm tree

[to-be-updated] mm-zswap-skip-confusing-print-info.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/zswap: skip confusing print info
has been removed from the -mm tree.  Its filename was
     mm-zswap-skip-confusing-print-info.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Liu Shixin <liushixin2@huawei.com>
Subject: mm/zswap: skip confusing print info
Date: Sat, 27 Aug 2022 18:46:00 +0800

It's confusing when we disable zswap while zswap is init failed or has no
pool.  If no change required, just return directly.

Link: https://lkml.kernel.org/r/20220827104600.1813214-6-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/zswap.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/mm/zswap.c~mm-zswap-skip-confusing-print-info
+++ a/mm/zswap.c
@@ -886,6 +886,15 @@ static int zswap_zpool_param_set(const c
 static int zswap_enabled_param_set(const char *val,
 				   const struct kernel_param *kp)
 {
+	bool res;
+
+	if (kstrtobool(val, &res))
+		return -EINVAL;
+
+	/* no change required */
+	if (res == *(bool *)kp->arg)
+		return 0;
+
 	if (system_state == SYSTEM_RUNNING) {
 		mutex_lock(&zswap_init_lock);
 		if (zswap_setup()) {
_

Patches currently in -mm which might be from liushixin2@huawei.com are

[to-be-updated] mm-zswap-skip-confusing-print-info.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/zswap: skip confusing print info
has been removed from the -mm tree.  Its filename was
     mm-zswap-skip-confusing-print-info.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Liu Shixin <liushixin2@huawei.com>
Subject: mm/zswap: skip confusing print info
Date: Mon, 29 Aug 2022 21:23:02 +0800

It's confusing when we disable zswap while zswap init failed or has no
pool.  If no change required, just return directly.

Link: https://lkml.kernel.org/r/20220829132302.3367054-7-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/zswap.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/mm/zswap.c~mm-zswap-skip-confusing-print-info
+++ a/mm/zswap.c
@@ -886,6 +886,15 @@ static int zswap_zpool_param_set(const c
 static int zswap_enabled_param_set(const char *val,
 				   const struct kernel_param *kp)
 {
+	bool res;
+
+	if (kstrtobool(val, &res))
+		return -EINVAL;
+
+	/* no change required */
+	if (res == *(bool *)kp->arg)
+		return 0;
+
 	if (system_state == SYSTEM_RUNNING) {
 		mutex_lock(&zswap_init_lock);
 		if (zswap_setup()) {
_

Patches currently in -mm which might be from liushixin2@huawei.com are

mm-thp-simplify-has_transparent_hugepage-by-using-is_builtin.patch
mm-thp-remove-redundant-config_transparent_hugepage.patch
mm-kmemleak-make-create_object-return-void.patch
mm-huge_memory-prevent-thp_zero_page_alloc-increased-twice.patch
mm-memcontrol-use-kstrtobool-for-swapaccount-param-parsing.patch