32 lines
		
	
	
		
			948 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			948 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /*
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|  * This program is free software and is provided to you under the terms of the
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|  * GNU General Public License version 2 as published by the Free Software
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|  * Foundation, and any use by you of this program is subject to the terms
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|  * of such GNU licence.
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|  *
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|  * A copy of the licence is included with the program, and can also be obtained
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|  * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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|  * Boston, MA  02110-1301, USA.
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|  */
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| 
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| #include <linux/version.h>
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| 
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| #if (KERNEL_VERSION(4, 20, 0) > LINUX_VERSION_CODE)
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| 
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| #include <linux/mm.h>
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| 
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| static inline vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr,
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| 					     unsigned long pfn, pgprot_t pgprot)
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| {
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| 	int err = vm_insert_pfn_prot(vma, addr, pfn, pgprot);
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| 
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| 	if (unlikely(err == -ENOMEM))
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| 		return VM_FAULT_OOM;
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| 	if (unlikely(err < 0 && err != -EBUSY))
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| 		return VM_FAULT_SIGBUS;
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| 
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| 	return VM_FAULT_NOPAGE;
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| }
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| #endif
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