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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TOOLS_LINUX_PFN_H_
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#define _TOOLS_LINUX_PFN_H_
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#include <linux/mm.h>
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#define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT)
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#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
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#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
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#endif
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