add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/x86/mm/iomap_32.c
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@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright © 2008 Ingo Molnar
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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  */
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 #include <asm/iomap.h>
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-#include <asm/pat.h>
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+#include <asm/memtype.h>
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 #include <linux/export.h>
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 #include <linux/highmem.h>
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@@ -39,7 +26,7 @@
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 	if (!is_io_mapping_possible(base, size))
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 		return -EINVAL;
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-	ret = io_reserve_memtype(base, base + size, &pcm);
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+	ret = memtype_reserve_io(base, base + size, &pcm);
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 	if (ret)
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 		return ret;
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@@ -53,7 +40,7 @@
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 void iomap_free(resource_size_t base, unsigned long size)
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 {
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-	io_free_memtype(base, base + size);
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+	memtype_free_io(base, base + size);
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 }
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 EXPORT_SYMBOL_GPL(iomap_free);
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