diff --git a/arch/arm64/kernel/sys32.c b/arch/arm64/kernel/sys32.c
index fc40386afb1bbacfaa69b10c2574295b67c0a74a..7d2152a7fb6bd2cb8c39fdca24d5e19ad8f1244b 100644
--- a/arch/arm64/kernel/sys32.c
+++ b/arch/arm64/kernel/sys32.c
@@ -63,6 +63,7 @@ COMPAT_SYSCALL_DEFINE6(aarch32_mmap2, unsigned long, addr, unsigned long, len,
 
 	return ksys_mmap_pgoff(addr, len, prot, flags, fd, off_4k);
 }
+}
 
 #ifdef CONFIG_CPU_BIG_ENDIAN
 #define arg_u32p(name)	u32, name##_hi, u32, name##_lo
diff --git a/mm/mmap.c b/mm/mmap.c
index a5e0958acd058a3b4f3dbf93db12faaf43964d65..7ee18c0d993ae829c9c0e6f3f9ac0abf07b3e0eb 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1592,6 +1592,7 @@ unsigned long do_mmap(struct file *file, unsigned long addr,
 	    ((vm_flags & VM_LOCKED) ||
 	     (flags & (MAP_POPULATE | MAP_NONBLOCK)) == MAP_POPULATE))
 		*populate = len;
+	pr_err("%s, pid=%d, addr=%lx\n", __FUNC__ ,current->pid, addr);
 	return addr;
 }
 
@@ -1639,6 +1640,7 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
 	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
 
 	retval = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
+	pr_err("%s, pid=%d, addr=%lx\n", __FUNC__ ,current->pid, retval);
 out_fput:
 	if (file)
 		fput(file);
diff --git a/mm/util.c b/mm/util.c
index 90792e4eaa252f9daa66632ba66d874c731a12c6..a48fbfb8baeee926342d68bde5216f08b7aa4d77 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -511,6 +511,7 @@ unsigned long vm_mmap_pgoff(struct file *file, unsigned long addr,
 		if (populate)
 			mm_populate(ret, populate);
 	}
+	pr_err("%s, pid=%d, addr=%lx\n", __FUNC__ ,current->pid, ret);
 	return ret;
 }