diff --git a/PKGBUILD b/PKGBUILD
index eeaae7d..e9a954f 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
 
 pkgbase=linux
-pkgver=6.4.arch1
+pkgver=6.4.1.arch1
 pkgrel=1
 pkgdesc='Linux'
 _srctag=v${pkgver%.*}-${pkgver##*.}
@@ -38,7 +38,7 @@ validpgpkeys=(
   C7E7849466FE2358343588377258734B41C31549  # David Runge <dvzrv@archlinux.org>
 )
 b2sums=('SKIP'
-        '66e3411d77df938089541bb087474b0ebb733a86eb91c8f5e783a92a8156cf4d3addaa6f58048fac17f2a92195aff9b3b0bff77138421f4dd404f71b5daa64ea')
+        '22a8dbe4eff1ac6b812e0fc9fe559316d465b05359290517e1576e9f65e93cd078525913ed95f779da288551d5233d82084645c99e07a35a7aade5b3fb7562f0')
 
 export KBUILD_BUILD_HOST=archlinux
 export KBUILD_BUILD_USER=$pkgbase
diff --git a/config b/config
index d67a6f1..318d48e 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 6.4.1-arch1 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 13.1.1 20230429"
 CONFIG_CC_IS_GCC=y
@@ -1164,6 +1164,7 @@ 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