diff --git a/cli/tests/unit_node/os_test.ts b/cli/tests/unit_node/os_test.ts
index 2d0d3a8c80..54dc375bbf 100644
--- a/cli/tests/unit_node/os_test.ts
+++ b/cli/tests/unit_node/os_test.ts
@@ -289,3 +289,23 @@ Deno.test({
     await child.status;
   },
 });
+
+Deno.test({
+  name:
+    "os.freemem() is equivalent of Deno.systemMemoryInfo().free except on linux",
+  ignore: Deno.build.os === "linux",
+  fn() {
+    const diff = Math.abs(os.freemem() - Deno.systemMemoryInfo().free);
+    assert(diff < 10_000);
+  },
+});
+
+Deno.test({
+  name:
+    "os.freemem() is equivalent of Deno.systemMemoryInfo().available on linux",
+  ignore: Deno.build.os !== "linux",
+  fn() {
+    const diff = Math.abs(os.freemem() - Deno.systemMemoryInfo().available);
+    assert(diff < 10_000);
+  },
+});
diff --git a/ext/node/polyfills/os.ts b/ext/node/polyfills/os.ts
index 06de4ad444..d1f5e7bfae 100644
--- a/ext/node/polyfills/os.ts
+++ b/ext/node/polyfills/os.ts
@@ -159,7 +159,14 @@ export function endianness(): "BE" | "LE" {
 
 /** Return free memory amount */
 export function freemem(): number {
-  return Deno.systemMemoryInfo().free;
+  if (Deno.build.os === "linux") {
+    // On linux, use 'available' memory
+    // https://github.com/libuv/libuv/blob/a5c01d4de3695e9d9da34cfd643b5ff0ba582ea7/src/unix/linux.c#L2064
+    return Deno.systemMemoryInfo().available;
+  } else {
+    // Use 'free' memory on other platforms
+    return Deno.systemMemoryInfo().free;
+  }
 }
 
 /** Not yet implemented */
diff --git a/runtime/ops/os/README.md b/runtime/ops/os/README.md
index 837bb7b3cd..ae1a5958e4 100644
--- a/runtime/ops/os/README.md
+++ b/runtime/ops/os/README.md
@@ -27,6 +27,6 @@
 
 | Target family | Syscall                                                                                                                                       | Description |
 | ------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | ----------- |
-| Linux         | sysinfo                                                                                                                                       | -           |
+| Linux         | sysinfo and `/proc/meminfo`                                                                                                                   | -           |
 | Windows       | `sysinfoapi::GlobalMemoryStatusEx`                                                                                                            | -           |
 | macOS         | <br> <pre> sysctl([CTL_HW, HW_MEMSIZE]); <br> sysctl([CTL_VM, VM_SWAPUSAGE]); <br> host_statistics64(mach_host_self(), HOST_VM_INFO64) </pre> | -           |
diff --git a/runtime/ops/os/sys_info.rs b/runtime/ops/os/sys_info.rs
index d8175f31bf..b3d2cd743c 100644
--- a/runtime/ops/os/sys_info.rs
+++ b/runtime/ops/os/sys_info.rs
@@ -211,8 +211,20 @@ pub fn mem_info() -> Option<MemInfo> {
       mem_info.swap_free = info.freeswap * mem_unit;
       mem_info.total = info.totalram * mem_unit;
       mem_info.free = info.freeram * mem_unit;
+      mem_info.available = mem_info.free;
       mem_info.buffers = info.bufferram * mem_unit;
     }
+
+    // Gets the available memory from /proc/meminfo in linux for compatibility
+    #[allow(clippy::disallowed_methods)]
+    if let Ok(meminfo) = std::fs::read_to_string("/proc/meminfo") {
+      let line = meminfo.lines().find(|l| l.starts_with("MemAvailable:"));
+      if let Some(line) = line {
+        let mem = line.split_whitespace().nth(1);
+        let mem = mem.and_then(|v| v.parse::<u64>().ok());
+        mem_info.available = mem.unwrap_or(0);
+      }
+    }
   }
   #[cfg(target_vendor = "apple")]
   {