diff --git a/lib/std/os/linux/syscalls.zig b/lib/std/os/linux/syscalls.zig
index d08a77b47c5587959ceee09b4c4d8e54ab7c884a..ef04387ea62d8e6ba87c0ad25d10fa8ae99003c7 100644
--- a/lib/std/os/linux/syscalls.zig
+++ b/lib/std/os/linux/syscalls.zig
@@ -6852,7 +6852,7 @@ pub const Arc = enum(usize) {
     keyctl = 219,
     clone = 220,
     execve = 221,
-    mmap_pgoff = 222,
+    mmap2 = 222,
     fadvise64_64 = 223,
     swapon = 224,
     swapoff = 225,
@@ -7538,7 +7538,7 @@ pub const Hexagon = enum(usize) {
     keyctl = 219,
     clone = 220,
     execve = 221,
-    mmap_pgoff = 222,
+    mmap2 = 222,
     fadvise64_64 = 223,
     swapon = 224,
     swapoff = 225,
diff --git a/tools/generate_linux_syscalls.zig b/tools/generate_linux_syscalls.zig
index f11633491e9bcec1c7c058a76ba096a2ccf575cf..df1b5127dfb8735082b6dc58c04aa342e59b5a23 100644
--- a/tools/generate_linux_syscalls.zig
+++ b/tools/generate_linux_syscalls.zig
@@ -22,6 +22,8 @@ const stdlib_renames = std.StaticStringMap([]const u8).initComptime(.{
     // ARM EABI/Thumb.
     .{ "arm_sync_file_range", "sync_file_range" },
     .{ "arm_fadvise64_64", "fadvise64_64" },
+    // ARC and Hexagon.
+    .{ "mmap_pgoff", "mmap2" },
 });
 
 // Only for newer architectures where we use the C preprocessor.