Linux 6.18.21

Link: https://lore.kernel.org/r/20260331161753.468533260@linuxfoundation.org
Tested-by: Dileep Malepu <dileep.debian@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Wentao Guan <guanwentao@uniontech.com>
Tested-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Barry K. Nathan <barryn@pobox.com>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: gregkh

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 18
-SUBLEVEL = 20
+SUBLEVEL = 21
 EXTRAVERSION =
 NAME = Baby Opossum Posse