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@xxxxxxxxxx>
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@xxxxxxxxxx
Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Dan Streetman <ddstreet@xxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Seth Jennings <sjenning@xxxxxxxxxx>
Cc: Vitaly Wool <vitaly.wool@xxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxxx 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
