From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/arch/arm64/mm/flush.c | 21 +++++----------------
1 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/kernel/arch/arm64/mm/flush.c b/kernel/arch/arm64/mm/flush.c
index fb10aa0..6d44c02 100644
--- a/kernel/arch/arm64/mm/flush.c
+++ b/kernel/arch/arm64/mm/flush.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Based on arch/arm/mm/flush.c
*
* Copyright (C) 1995-2002 Russell King
* Copyright (C) 2012 ARM Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/export.h>
@@ -66,9 +55,10 @@
{
struct page *page = pte_page(pte);
- if (!test_and_set_bit(PG_dcache_clean, &page->flags))
- sync_icache_aliases(page_address(page),
- PAGE_SIZE << compound_order(page));
+ if (!test_bit(PG_dcache_clean, &page->flags)) {
+ sync_icache_aliases(page_address(page), page_size(page));
+ set_bit(PG_dcache_clean, &page->flags);
+ }
}
EXPORT_SYMBOL_GPL(__sync_icache_dcache);
@@ -87,7 +77,6 @@
/*
* Additional functions defined in assembly.
*/
-EXPORT_SYMBOL(flush_cache_all);
EXPORT_SYMBOL(__flush_icache_range);
#ifdef CONFIG_ARCH_HAS_PMEM_API
--
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