diff --git a/PKGBUILD b/PKGBUILD
index af6920b..fc24318 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
 
 pkgbase=linux-uwu
-pkgver=6.4.arch1
+pkgver=6.4.2.arch1
 pkgrel=1
 pkgdesc='Linux with custom configuration'
 _srctag=v${pkgver%.*}-${pkgver##*.}
@@ -38,7 +38,7 @@ validpgpkeys=(
   C7E7849466FE2358343588377258734B41C31549  # David Runge <dvzrv@archlinux.org>
 )
 b2sums=('SKIP'
-        '61d42f9f09afd5a4aecf6a6a1cce67a2ef2284803a8bcc9f61469ab3b6752bda64d8ffb141578e876da9525e663ea35145bb8466dbb4aed2ba30f5d474fcba77')
+        '721eb93701ae4cc890d5cffe29700f00f26a38fd26396a622e4a4d4f296208133a0d0ec0929e2e0b8d0a52e513c63f71a961789a006529516d9607318ef41601')
 
 export KBUILD_BUILD_HOST=archlinux
 export KBUILD_BUILD_USER=$pkgbase
@@ -114,7 +114,7 @@ _package() {
   echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"
 
   echo "Installing modules..."
-  _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
+  ZSTD_CLEVEL=19 _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
     DEPMOD=/doesnt/exist modules_install  # Suppress depmod
 
   # remove build and source links
diff --git a/config b/config
index 947127f..b152063 100644
--- a/config
+++ b/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 6.4.0-arch1 Kernel Configuration
+# Linux/x86 6.4.2-arch1 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 13.1.1 20230429"
 CONFIG_CC_IS_GCC=y
@@ -1163,7 +1163,7 @@ CONFIG_LRU_GEN=y
 CONFIG_LRU_GEN_ENABLED=y
 # CONFIG_LRU_GEN_STATS is not set
 CONFIG_ARCH_SUPPORTS_PER_VMA_LOCK=y
-CONFIG_PER_VMA_LOCK=y
+CONFIG_LOCK_MM_AND_FIND_VMA=y
 
 #
 # Data Access Monitoring
@@ -11169,7 +11169,6 @@ CONFIG_PTDUMP_CORE=y
 # CONFIG_PTDUMP_DEBUGFS is not set
 CONFIG_HAVE_DEBUG_KMEMLEAK=y
 # CONFIG_DEBUG_KMEMLEAK is not set
-# CONFIG_PER_VMA_LOCK_STATS is not set
 # CONFIG_DEBUG_OBJECTS is not set
 CONFIG_SHRINKER_DEBUG=y
 # CONFIG_DEBUG_STACK_USAGE is not set