File mempolicy.patch of Package qemu

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 770aeae33f..d9335318fa 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -429,6 +429,10 @@ _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags,
 #if defined(TARGET_NR_membarrier) && defined(__NR_membarrier)
 _syscall2(int, membarrier, int, cmd, int, flags)
 #endif
+#if defined(TARGET_NR_get_mempolicy) && defined(__NR_get_mempolicy)
+_syscall5(long, get_mempolicy, int *, mode, unsigned long *, nodemask,
+          unsigned long, maxnode, unsigned long, addr, unsigned long, flags)
+#endif
 
 static const bitmask_transtbl fcntl_flags_tbl[] = {
   { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
@@ -13974,6 +13978,32 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
         return do_riscv_hwprobe(cpu_env, arg1, arg2, arg3, arg4, arg5);
 #endif
 
+#if defined(TARGET_NR_get_mempolicy) && defined(__NR_get_mempolicy)
+    case TARGET_NR_get_mempolicy:
+        {
+            int *mode = 0;
+            void *p1 = 0;
+            unsigned long maxnode;
+            if (arg1) {
+                mode = lock_user(VERIFY_WRITE, arg1, 4, 0);
+                if (!mode)
+                    return -TARGET_EFAULT;
+            }
+            maxnode = DIV_ROUND_UP(arg3, TARGET_ABI_BITS);
+            if (arg2) {
+                p1 = lock_user(VERIFY_WRITE, arg2, maxnode, 0);
+                if (!p1) {
+                    unlock_user(mode, arg1, 4);
+                    return -TARGET_EFAULT;
+                }
+            }
+            ret = get_errno(get_mempolicy(mode, p1, arg3, arg4, arg5));
+            unlock_user(p1, arg2, maxnode);
+            unlock_user(mode, arg1, 4);
+        }
+        return ret;
+#endif
+
     default:
         qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
         return -TARGET_ENOSYS;