diff --git a/libc/kernel/uapi/asm-x86/asm/kvm.h b/libc/kernel/uapi/asm-x86/asm/kvm.h
index 4eb8901..2db4566 100644
--- a/libc/kernel/uapi/asm-x86/asm/kvm.h
+++ b/libc/kernel/uapi/asm-x86/asm/kvm.h
@@ -257,6 +257,7 @@
 #define KVM_GUESTDBG_USE_HW_BP 0x00020000
 #define KVM_GUESTDBG_INJECT_DB 0x00040000
 #define KVM_GUESTDBG_INJECT_BP 0x00080000
+#define KVM_GUESTDBG_BLOCKIRQ 0x00100000
 struct kvm_guest_debug_arch {
   __u64 debugreg[8];
 };
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_32.h b/libc/kernel/uapi/asm-x86/asm/unistd_32.h
index fc9528f..20810c6 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_32.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_32.h
@@ -455,4 +455,5 @@
 #define __NR_landlock_add_rule 445
 #define __NR_landlock_restrict_self 446
 #define __NR_memfd_secret 447
+#define __NR_process_mrelease 448
 #endif
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_64.h b/libc/kernel/uapi/asm-x86/asm/unistd_64.h
index f02b898..0f33ee6 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_64.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_64.h
@@ -377,4 +377,5 @@
 #define __NR_landlock_add_rule 445
 #define __NR_landlock_restrict_self 446
 #define __NR_memfd_secret 447
+#define __NR_process_mrelease 448
 #endif
diff --git a/libc/kernel/uapi/asm-x86/asm/unistd_x32.h b/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
index 9b26317..c840222 100644
--- a/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
+++ b/libc/kernel/uapi/asm-x86/asm/unistd_x32.h
@@ -330,6 +330,7 @@
 #define __NR_landlock_add_rule (__X32_SYSCALL_BIT + 445)
 #define __NR_landlock_restrict_self (__X32_SYSCALL_BIT + 446)
 #define __NR_memfd_secret (__X32_SYSCALL_BIT + 447)
+#define __NR_process_mrelease (__X32_SYSCALL_BIT + 448)
 #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512)
 #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513)
 #define __NR_ioctl (__X32_SYSCALL_BIT + 514)