10 files changed, 14 insertions, 14 deletions
diff --git a/library/std/src/sys/hermit/thread.rs b/library/std/src/sys/hermit/thread.rs
index 8be25f84999..81b21fbbb16 100644
--- a/library/std/src/sys/hermit/thread.rs
+++ b/library/std/src/sys/hermit/thread.rs
@@ -97,7 +97,7 @@ impl Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }
 
diff --git a/library/std/src/sys/sgx/thread.rs b/library/std/src/sys/sgx/thread.rs
index cbb8ba96401..d745a619614 100644
--- a/library/std/src/sys/sgx/thread.rs
+++ b/library/std/src/sys/sgx/thread.rs
@@ -137,7 +137,7 @@ impl Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }
 
diff --git a/library/std/src/sys/unix/thread.rs b/library/std/src/sys/unix/thread.rs
index 133ad3ea420..6fae31fa71e 100644
--- a/library/std/src/sys/unix/thread.rs
+++ b/library/std/src/sys/unix/thread.rs
@@ -263,7 +263,7 @@ impl Drop for Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     cfg_if::cfg_if! {
         if #[cfg(any(
             target_os = "android",
diff --git a/library/std/src/sys/unsupported/thread.rs b/library/std/src/sys/unsupported/thread.rs
index dc75d4ee672..a8db251de20 100644
--- a/library/std/src/sys/unsupported/thread.rs
+++ b/library/std/src/sys/unsupported/thread.rs
@@ -31,7 +31,7 @@ impl Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }
 
diff --git a/library/std/src/sys/wasi/thread.rs b/library/std/src/sys/wasi/thread.rs
index 9ec02bbec26..2e4e474c449 100644
--- a/library/std/src/sys/wasi/thread.rs
+++ b/library/std/src/sys/wasi/thread.rs
@@ -64,7 +64,7 @@ impl Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }
 
diff --git a/library/std/src/sys/wasm/atomics/thread.rs b/library/std/src/sys/wasm/atomics/thread.rs
index a66ab083757..16418a06226 100644
--- a/library/std/src/sys/wasm/atomics/thread.rs
+++ b/library/std/src/sys/wasm/atomics/thread.rs
@@ -40,7 +40,7 @@ impl Thread {
     pub fn join(self) {}
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }
 
diff --git a/library/std/src/sys/windows/thread.rs b/library/std/src/sys/windows/thread.rs
index a5293133b3a..75f70c2076e 100644
--- a/library/std/src/sys/windows/thread.rs
+++ b/library/std/src/sys/windows/thread.rs
@@ -100,7 +100,7 @@ impl Thread {
     }
 }
 
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     let res = unsafe {
         let mut sysinfo: c::SYSTEM_INFO = crate::mem::zeroed();
         c::GetSystemInfo(&mut sysinfo);
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index f44df845bf4..b6b48208ac7 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -1455,12 +1455,12 @@ fn _assert_sync_and_send() {
 ///
 /// ```
 /// # #![allow(dead_code)]
-/// #![feature(available_concurrency)]
+/// #![feature(available_parallelism)]
 /// use std::thread;
 ///
-/// let count = thread::available_concurrency().map(|n| n.get()).unwrap_or(1);
+/// let count = thread::available_parallelism().map(|n| n.get()).unwrap_or(1);
 /// ```
-#[unstable(feature = "available_concurrency", issue = "74479")]
-pub fn available_concurrency() -> io::Result<NonZeroUsize> {
-    imp::available_concurrency()
+#[unstable(feature = "available_parallelism", issue = "74479")]
+pub fn available_parallelism() -> io::Result<NonZeroUsize> {
+    imp::available_parallelism()
 }
diff --git a/library/test/src/helpers/concurrency.rs b/library/test/src/helpers/concurrency.rs
index c39a9b0ec02..e25f524ec05 100644
--- a/library/test/src/helpers/concurrency.rs
+++ b/library/test/src/helpers/concurrency.rs
@@ -9,6 +9,6 @@ pub fn get_concurrency() -> usize {
             _ => panic!("RUST_TEST_THREADS is `{}`, should be a positive integer.", value),
         }
     } else {
-        thread::available_concurrency().map(|n| n.get()).unwrap_or(1)
+        thread::available_parallelism().map(|n| n.get()).unwrap_or(1)
     }
 }
diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs
index 251f099f28a..6732c6c61c2 100644
--- a/library/test/src/lib.rs
+++ b/library/test/src/lib.rs
@@ -23,7 +23,7 @@
 #![feature(libc)]
 #![feature(rustc_private)]
 #![feature(nll)]
-#![feature(available_concurrency)]
+#![feature(available_parallelism)]
 #![feature(bench_black_box)]
 #![feature(internal_output_capture)]
 #![feature(panic_unwind)]