diff --git a/sysdeps/unix/sysv/linux/aarch64/arch-syscall.h b/sysdeps/unix/sysv/linux/aarch64/arch-syscall.h
index ebbb5e1..91964b4 100644
--- a/sysdeps/unix/sysv/linux/aarch64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/aarch64/arch-syscall.h
@@ -19,6 +19,7 @@
 #define __NR_clone 220
 #define __NR_clone3 435
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/alpha/arch-syscall.h b/sysdeps/unix/sysv/linux/alpha/arch-syscall.h
index f0744f2..5ed2913 100644
--- a/sysdeps/unix/sysv/linux/alpha/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/alpha/arch-syscall.h
@@ -24,6 +24,7 @@
 #define __NR_clock_settime 419
 #define __NR_clone 312
 #define __NR_close 6
+#define __NR_close_range 546
 #define __NR_connect 98
 #define __NR_copy_file_range 519
 #define __NR_create_module 306
diff --git a/sysdeps/unix/sysv/linux/arc/arch-syscall.h b/sysdeps/unix/sysv/linux/arc/arch-syscall.h
index 591ff88..60aa943 100644
--- a/sysdeps/unix/sysv/linux/arc/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/arc/arch-syscall.h
@@ -23,6 +23,7 @@
 #define __NR_clone 220
 #define __NR_clone3 435
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/arm/arch-syscall.h b/sysdeps/unix/sysv/linux/arm/arch-syscall.h
index 42ea0fd..2a959fb 100644
--- a/sysdeps/unix/sysv/linux/arm/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/arm/arch-syscall.h
@@ -35,6 +35,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 283
 #define __NR_copy_file_range 391
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/csky/arch-syscall.h b/sysdeps/unix/sysv/linux/csky/arch-syscall.h
index 64dc411..d0eca62 100644
--- a/sysdeps/unix/sysv/linux/csky/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/csky/arch-syscall.h
@@ -25,6 +25,7 @@
 #define __NR_clone 220
 #define __NR_clone3 435
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/hppa/arch-syscall.h b/sysdeps/unix/sysv/linux/hppa/arch-syscall.h
index 56e3bad..7a63870 100644
--- a/sysdeps/unix/sysv/linux/hppa/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/hppa/arch-syscall.h
@@ -32,6 +32,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 31
 #define __NR_copy_file_range 346
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/i386/arch-syscall.h b/sysdeps/unix/sysv/linux/i386/arch-syscall.h
index cc554ca..31b3378 100644
--- a/sysdeps/unix/sysv/linux/i386/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/i386/arch-syscall.h
@@ -35,6 +35,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 362
 #define __NR_copy_file_range 377
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/ia64/arch-syscall.h b/sysdeps/unix/sysv/linux/ia64/arch-syscall.h
index 50405e4..39d115d 100644
--- a/sysdeps/unix/sysv/linux/ia64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/ia64/arch-syscall.h
@@ -25,6 +25,7 @@
 #define __NR_clone 1128
 #define __NR_clone2 1213
 #define __NR_close 1029
+#define __NR_close_range 1460
 #define __NR_connect 1192
 #define __NR_copy_file_range 1347
 #define __NR_creat 1030
diff --git a/sysdeps/unix/sysv/linux/m68k/arch-syscall.h b/sysdeps/unix/sysv/linux/m68k/arch-syscall.h
index 49ceaa8..c5536d2 100644
--- a/sysdeps/unix/sysv/linux/m68k/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/m68k/arch-syscall.h
@@ -35,6 +35,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 359
 #define __NR_copy_file_range 376
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/microblaze/arch-syscall.h b/sysdeps/unix/sysv/linux/microblaze/arch-syscall.h
index 2bc15c6..f684836 100644
--- a/sysdeps/unix/sysv/linux/microblaze/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/microblaze/arch-syscall.h
@@ -35,6 +35,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 350
 #define __NR_copy_file_range 392
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h b/sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h
index 57e0fe0..c2baedf 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h
@@ -36,6 +36,7 @@
 #define __NR_clone 4120
 #define __NR_clone3 4435
 #define __NR_close 4006
+#define __NR_close_range 4436
 #define __NR_connect 4170
 #define __NR_copy_file_range 4360
 #define __NR_creat 4008
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h b/sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h
index 2023297..48621c1 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h
@@ -33,6 +33,7 @@
 #define __NR_clone 6055
 #define __NR_clone3 6435
 #define __NR_close 6003
+#define __NR_close_range 6436
 #define __NR_connect 6041
 #define __NR_copy_file_range 6324
 #define __NR_creat 6083
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h b/sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h
index 8e1dd0c..8455cc6 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h
@@ -28,6 +28,7 @@
 #define __NR_clone 5055
 #define __NR_clone3 5435
 #define __NR_close 5003
+#define __NR_close_range 5436
 #define __NR_connect 5041
 #define __NR_copy_file_range 5320
 #define __NR_creat 5083
diff --git a/sysdeps/unix/sysv/linux/nios2/arch-syscall.h b/sysdeps/unix/sysv/linux/nios2/arch-syscall.h
index d107c5e..3818418 100644
--- a/sysdeps/unix/sysv/linux/nios2/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/nios2/arch-syscall.h
@@ -24,6 +24,7 @@
 #define __NR_clock_settime64 404
 #define __NR_clone 220
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/arch-syscall.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/arch-syscall.h
index 2ef6c88..6922d78 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/arch-syscall.h
@@ -34,6 +34,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 328
 #define __NR_copy_file_range 379
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/arch-syscall.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/arch-syscall.h
index 130e235..72779ef 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/arch-syscall.h
@@ -29,6 +29,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 328
 #define __NR_copy_file_range 379
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h b/sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h
index c397bf3..3ad0b98 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/arch-syscall.h
@@ -17,6 +17,7 @@
 #define __NR_clock_settime64 404
 #define __NR_clone 220
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/arch-syscall.h b/sysdeps/unix/sysv/linux/riscv/rv64/arch-syscall.h
index 385722c..cd13dd1 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/arch-syscall.h
@@ -19,6 +19,7 @@
 #define __NR_clone 220
 #define __NR_clone3 435
 #define __NR_close 57
+#define __NR_close_range 436
 #define __NR_connect 203
 #define __NR_copy_file_range 285
 #define __NR_delete_module 106
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/arch-syscall.h b/sysdeps/unix/sysv/linux/s390/s390-32/arch-syscall.h
index 18a8ed1..a4bdf3c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/arch-syscall.h
@@ -33,6 +33,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 362
 #define __NR_copy_file_range 375
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/arch-syscall.h b/sysdeps/unix/sysv/linux/s390/s390-64/arch-syscall.h
index d59248e..3cbbc9c 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/arch-syscall.h
@@ -25,6 +25,7 @@
 #define __NR_clone 120
 #define __NR_clone3 435
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 362
 #define __NR_copy_file_range 375
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/sh/arch-syscall.h b/sysdeps/unix/sysv/linux/sh/arch-syscall.h
index e69906c..3fe779b 100644
--- a/sysdeps/unix/sysv/linux/sh/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/sh/arch-syscall.h
@@ -33,6 +33,7 @@
 #define __NR_clock_settime64 404
 #define __NR_clone 120
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 342
 #define __NR_copy_file_range 380
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h b/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
index ee186fa..3bd20e1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/arch-syscall.h
@@ -33,6 +33,7 @@
 #define __NR_clock_settime64 404
 #define __NR_clone 217
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 98
 #define __NR_copy_file_range 357
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h b/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
index 7ce4150..41bb83f 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/arch-syscall.h
@@ -27,6 +27,7 @@
 #define __NR_clock_settime 256
 #define __NR_clone 217
 #define __NR_close 6
+#define __NR_close_range 436
 #define __NR_connect 98
 #define __NR_copy_file_range 357
 #define __NR_creat 8
diff --git a/sysdeps/unix/sysv/linux/syscall-names.list b/sysdeps/unix/sysv/linux/syscall-names.list
index a462318..2d42aaf 100644
--- a/sysdeps/unix/sysv/linux/syscall-names.list
+++ b/sysdeps/unix/sysv/linux/syscall-names.list
@@ -21,8 +21,8 @@
 # This file can list all potential system calls.  The names are only
 # used if the installed kernel headers also provide them.
 
-# The list of system calls is current as of Linux 5.8.
-kernel 5.8
+# The list of system calls is current as of Linux 5.9.
+kernel 5.9
 
 FAST_atomic_update
 FAST_cmpxchg
@@ -79,6 +79,7 @@ clone
 clone2
 clone3
 close
+close_range
 cmpxchg_badaddr
 connect
 copy_file_range
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h b/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
index 8dc0062..ec5863e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
@@ -26,6 +26,7 @@
 #define __NR_clone 56
 #define __NR_clone3 435
 #define __NR_close 3
+#define __NR_close_range 436
 #define __NR_connect 42
 #define __NR_copy_file_range 326
 #define __NR_creat 85
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h b/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
index 7b64b1f..b1f45a4 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
@@ -25,6 +25,7 @@
 #define __NR_clone 1073741880
 #define __NR_clone3 1073742259
 #define __NR_close 1073741827
+#define __NR_close_range 1073742260
 #define __NR_connect 1073741866
 #define __NR_copy_file_range 1073742150
 #define __NR_creat 1073741909
