diff --git a/libc-test/build/main.rs b/libc-test/build/main.rs
index 5a0379e37365..b8bc26517a52 100755
--- a/libc-test/build/main.rs
+++ b/libc-test/build/main.rs
@@ -473,6 +473,7 @@ fn test_openbsd(t: &Target) {
         "sys/param.h",
         "sys/auxv.h",
         "paths.h",
+        "uvm/uvmexp.h",
     );
 
     cfg.rename_type(|ty| match ty {
diff --git a/libc-test/semver/openbsd.txt b/libc-test/semver/openbsd.txt
index e2e3538c09dd..a0196b25013b 100644
--- a/libc-test/semver/openbsd.txt
+++ b/libc-test/semver/openbsd.txt
@@ -1002,6 +1002,19 @@ UT_NAMESIZE
 VDISCARD
 VDSUSP
 VLNEXT
+VM_ANONMIN
+VM_LOADAVG
+VM_MALLOC_CONF
+VM_MAXID
+VM_MAXSLP
+VM_METER
+VM_NKMEMPAGES
+VM_PSSTRINGS
+VM_SWAPENCRYPT
+VM_USPACE
+VM_UVMEXP
+VM_VNODEMIN
+VM_VTEXTMIN
 VREPRINT
 VSTATUS
 VWERASE
@@ -1154,6 +1167,7 @@ _SC_XOPEN_UNIX
 _SC_XOPEN_UUCP
 _SC_XOPEN_VERSION
 __errno
+_ps_strings
 abs
 accept4
 acct
@@ -1464,6 +1478,7 @@ uselocale
 utimensat
 utmp
 utrace
+uvmexp
 wait4
 waitid
 xucred
diff --git a/src/new/mod.rs b/src/new/mod.rs
index 6c2b5a384436..71d5133bf27d 100644
--- a/src/new/mod.rs
+++ b/src/new/mod.rs
@@ -243,6 +243,7 @@ cfg_if! {
         pub use sys::ipc::*;
         pub use sys::sensors::*;
         pub use sys::sysctl::*;
+        pub use uvm::uvmexp::*;
     } else if #[cfg(any(target_os = "nto", target_os = "qnx"))] {
         pub use net::bpf::*;
         pub use net::if_::*;
diff --git a/src/new/openbsd/mod.rs b/src/new/openbsd/mod.rs
index 25fa784b2b00..aa03f5c01d7f 100644
--- a/src/new/openbsd/mod.rs
+++ b/src/new/openbsd/mod.rs
@@ -5,3 +5,4 @@
 
 pub(crate) mod sys;
 pub(crate) mod unistd;
+pub(crate) mod uvm;
diff --git a/src/new/openbsd/uvm/mod.rs b/src/new/openbsd/uvm/mod.rs
new file mode 100644
index 000000000000..3acd94948169
--- /dev/null
+++ b/src/new/openbsd/uvm/mod.rs
@@ -0,0 +1,5 @@
+//! Directory: `uvm/`
+//!
+//! <https://github.com/openbsd/src/blob/master/sys/uvm>
+
+pub(crate) mod uvmexp;
diff --git a/src/new/openbsd/uvm/uvmexp.rs b/src/new/openbsd/uvm/uvmexp.rs
new file mode 100644
index 000000000000..5776ff8269ed
--- /dev/null
+++ b/src/new/openbsd/uvm/uvmexp.rs
@@ -0,0 +1,116 @@
+//! Header: `uvm/uvmexp.h`
+//!
+//! <https://github.com/openbsd/src/blob/master/sys/uvm/uvmexp.h>
+
+use crate::prelude::*;
+
+pub const VM_METER: c_int = 1;
+pub const VM_LOADAVG: c_int = 2;
+pub const VM_PSSTRINGS: c_int = 3;
+pub const VM_UVMEXP: c_int = 4;
+pub const VM_SWAPENCRYPT: c_int = 5;
+pub const VM_NKMEMPAGES: c_int = 6;
+pub const VM_ANONMIN: c_int = 7;
+pub const VM_VTEXTMIN: c_int = 8;
+pub const VM_VNODEMIN: c_int = 9;
+pub const VM_MAXSLP: c_int = 10;
+pub const VM_USPACE: c_int = 11;
+pub const VM_MALLOC_CONF: c_int = 12;
+/// Constants may change across releases.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
+pub const VM_MAXID: c_int = 13;
+
+s2! {
+    pub struct uvmexp {
+        pub pagesize: c_int,
+        pub pagemask: c_int,
+        pub pageshift: c_int,
+        pub npages: c_int,
+        pub free: c_int,
+        pub active: c_int,
+        pub inactive: c_int,
+        pub paging: c_int,
+        pub wired: c_int,
+        pub zeropages: c_int,
+        pub reserve_pagedaemon: c_int,
+        pub reserve_kernel: c_int,
+        pub percpucaches: c_int,
+        pub vnodepages: c_int,
+        pub vtextpages: c_int,
+        pub freemin: c_int,
+        pub freetarg: c_int,
+        pub inactarg: c_int,
+        pub wiredmax: c_int,
+        pub anonmin: c_int,
+        pub vtextmin: c_int,
+        pub vnodemin: c_int,
+        pub anonminpct: c_int,
+        pub vtextminpct: c_int,
+        pub vnodeminpct: c_int,
+        pub nswapdev: c_int,
+        pub swpages: c_int,
+        pub swpginuse: c_int,
+        pub swpgonly: c_int,
+        pub nswget: c_int,
+        pub nanon: c_int,
+        pub unused05: c_int,
+        pub unused06: c_int,
+        pub faults: c_int,
+        pub traps: c_int,
+        pub intrs: c_int,
+        pub swtch: c_int,
+        pub softs: c_int,
+        pub syscalls: c_int,
+        pub pageins: c_int,
+        pub pcphit: c_int,
+        pub pcpmiss: c_int,
+        pub pgswapin: c_int,
+        pub pgswapout: c_int,
+        pub forks: c_int,
+        pub forks_ppwait: c_int,
+        pub forks_sharevm: c_int,
+        pub pga_zerohit: c_int,
+        pub pga_zeromiss: c_int,
+        pub unused09: c_int,
+        pub fltnoram: c_int,
+        pub fltnoanon: c_int,
+        pub fltnoamap: c_int,
+        pub fltpgwait: c_int,
+        pub fltpgrele: c_int,
+        pub fltrelck: c_int,
+        pub fltnorelck: c_int,
+        pub fltanget: c_int,
+        pub fltanretry: c_int,
+        pub fltamcopy: c_int,
+        pub fltnamap: c_int,
+        pub fltnomap: c_int,
+        pub fltlget: c_int,
+        pub fltget: c_int,
+        pub flt_anon: c_int,
+        pub flt_acow: c_int,
+        pub flt_obj: c_int,
+        pub flt_prcopy: c_int,
+        pub flt_przero: c_int,
+        pub fltup: c_int,
+        pub fltnoup: c_int,
+        pub pdwoke: c_int,
+        pub pdrevs: c_int,
+        pub pdswout: c_int,
+        pub pdfreed: c_int,
+        pub pdscans: c_int,
+        pub pdanscan: c_int,
+        pub pdobscan: c_int,
+        pub pdreact: c_int,
+        pub pdbusy: c_int,
+        pub pdpageouts: c_int,
+        pub pdpending: c_int,
+        pub pddeact: c_int,
+        pub swpskip: c_int,
+        pub fpswtch: c_int,
+        pub kmapent: c_int,
+    }
+
+    pub struct _ps_strings {
+        pub val: *mut c_void,
+    }
+}