From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/arch/nds32/kernel/vdso.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/arch/nds32/kernel/vdso.c b/kernel/arch/nds32/kernel/vdso.c
index 90bcae6..e16009a 100644
--- a/kernel/arch/nds32/kernel/vdso.c
+++ b/kernel/arch/nds32/kernel/vdso.c
@@ -130,7 +130,7 @@
 	vdso_mapping_len += L1_cache_info[DCACHE].aliasing_num - 1;
 #endif
 
-	if (down_write_killable(&mm->mmap_sem))
+	if (mmap_write_lock_killable(mm))
 		return -EINTR;
 
 	addr = vdso_random_addr(vdso_mapping_len);
@@ -185,12 +185,12 @@
 		goto up_fail;
 	}
 
-	up_write(&mm->mmap_sem);
+	mmap_write_unlock(mm);
 	return 0;
 
 up_fail:
 	mm->context.vdso = NULL;
-	up_write(&mm->mmap_sem);
+	mmap_write_unlock(mm);
 	return ret;
 }
 

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