diff --git a/PKGBUILD b/PKGBUILD
index d163c24..66231b0 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
 
 pkgbase=linux
-pkgver=6.4.2.arch1
+pkgver=6.4.3.arch1
 pkgrel=1
 pkgdesc='Linux'
 _srctag=v${pkgver%.*}-${pkgver##*.}
@@ -38,7 +38,7 @@ validpgpkeys=(
   C7E7849466FE2358343588377258734B41C31549  # David Runge <dvzrv@archlinux.org>
 )
 b2sums=('SKIP'
-        '1537bd27339315c0a9e663ae422d3aa7d8cf25bdd5b1bad494d2b8da3d67e2ce72ccbb36e0b1f213b28d2f598957b111b6638c44334bec10ff7d420e3a6597dc')
+        '8fb3affeeba8444b73152e7aa35df236d0355aec8da50c128c932e236af7106068efc3fb1c319a614432498bc97e8221d86f1b1760d7eaa3b6af98998720481d')
 
 export KBUILD_BUILD_HOST=archlinux
 export KBUILD_BUILD_USER=$pkgbase
diff --git a/config b/config
index e9e2d47..a7652d9 100644
--- a/config
+++ b/config
@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 6.4.2-arch1 Kernel Configuration
+# Linux/x86 6.4.3-arch1 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="gcc (GCC) 13.1.1 20230429"
 CONFIG_CC_IS_GCC=y
@@ -1163,6 +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
 
 #
@@ -11164,6 +11165,7 @@ 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