--- mesa-26.1.1/src/gallium/frontends/rusticl/core/context.rs.vanilla	2026-05-22 13:19:15.236802892 +0200
+++ mesa-26.1.1/src/gallium/frontends/rusticl/core/context.rs	2026-05-22 13:35:21.294446725 +0200
@@ -339,31 +339,7 @@
                 unreachable!("SVM supported only on Linux")
             }
 
-            let mut res = unsafe {
-                mmap(
-                    vma.get() as usize as *mut c_void,
-                    size.get() as usize,
-                    (PROT_READ | PROT_WRITE) as c_int,
-                    (MAP_PRIVATE | MAP_ANONYMOUS | os_flags()) as c_int,
-                    -1,
-                    0,
-                )
-            };
-
-            // mmap returns MAP_FAILED on error which is -1
-            if res as usize == usize::MAX {
-                return Err(CL_OUT_OF_HOST_MEMORY);
-            }
-
-            if res as usize != vma.get() as usize {
-                unsafe {
-                    let ret = munmap(res, size.get() as usize);
-                    debug_assert_eq!(0, ret);
-                }
-                res = ptr::null_mut();
-            }
-
-            res.cast()
+            return Err(CL_OUT_OF_HOST_MEMORY);
         } else {
             unsafe { alloc::alloc(layout) }.cast()
         };