enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/x86/um/vdso/vma.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/slab.h>
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@@ -61,7 +58,7 @@
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 	if (!vdso_enabled)
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 		return 0;
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-	if (down_write_killable(&mm->mmap_sem))
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+	if (mmap_write_lock_killable(mm))
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 		return -EINTR;
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 	err = install_special_mapping(mm, um_vdso_addr, PAGE_SIZE,
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@@ -69,7 +66,7 @@
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 		VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC,
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 		vdsop);
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-	up_write(&mm->mmap_sem);
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+	mmap_write_unlock(mm);
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 	return err;
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 }