diff --git a/unix/linux/types.go b/unix/linux/types.go
index 389eed4bd5..f5a6ae9e7b 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -461,6 +461,20 @@ struct my_can_bittiming_const {
 
 struct riscv_hwprobe {};
 #endif
+
+// copied from /usr/include/uapi/linux/mman.h
+struct cachestat_range {
+	__u64 off;
+	__u64 len;
+};
+
+struct cachestat {
+	__u64 nr_cache;
+	__u64 nr_dirty;
+	__u64 nr_writeback;
+	__u64 nr_evicted;
+	__u64 nr_recently_evicted;
+};
 */
 import "C"
 
@@ -5813,3 +5827,6 @@ const (
 type SchedAttr C.struct_sched_attr
 
 const SizeofSchedAttr = C.sizeof_struct_sched_attr
+
+type Cachestat_t C.struct_cachestat
+type CachestatRange C.struct_cachestat_range
diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go
index fb4e50224c..6b8a4ad69c 100644
--- a/unix/syscall_linux.go
+++ b/unix/syscall_linux.go
@@ -2482,3 +2482,5 @@ func SchedGetAttr(pid int, flags uint) (*SchedAttr, error) {
 	}
 	return attr, nil
 }
+
+//sys	Cachestat(fd uint, crange *CachestatRange, cstat *Cachestat_t, flags uint) (err error)
diff --git a/unix/zsyscall_linux.go b/unix/zsyscall_linux.go
index 1ff3aec74c..863d7dde20 100644
--- a/unix/zsyscall_linux.go
+++ b/unix/zsyscall_linux.go
@@ -2195,3 +2195,13 @@ func schedGetattr(pid int, attr *SchedAttr, size uint, flags uint) (err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Cachestat(fd uint, crange *CachestatRange, cstat *Cachestat_t, flags uint) (err error) {
+	_, _, e1 := Syscall6(SYS_CACHESTAT, uintptr(fd), uintptr(unsafe.Pointer(crange)), uintptr(unsafe.Pointer(cstat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 18aa70b426..cdba4c77df 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -5883,3 +5883,15 @@ type SchedAttr struct {
 }
 
 const SizeofSchedAttr = 0x38
+
+type Cachestat_t struct {
+	Cache            uint64
+	Dirty            uint64
+	Writeback        uint64
+	Evicted          uint64
+	Recently_evicted uint64
+}
+type CachestatRange struct {
+	Off uint64
+	Len uint64
+}