1 // SPDX-License-Identifier: GPL-2.0-only <<
2 #include <linux/kernel.h> 1 #include <linux/kernel.h>
3 #include <linux/module.h> 2 #include <linux/module.h>
4 #include <linux/export.h> 3 #include <linux/export.h>
5 #include <linux/mm.h> 4 #include <linux/mm.h>
6 #include <linux/vmalloc.h> 5 #include <linux/vmalloc.h>
7 #include <linux/slab.h> 6 #include <linux/slab.h>
8 #include <linux/sizes.h> 7 #include <linux/sizes.h>
9 #include <linux/io.h> 8 #include <linux/io.h>
10 9
11 #include <asm/page.h> 10 #include <asm/page.h>
12 #ifdef CONFIG_MIPS 11 #ifdef CONFIG_MIPS
13 #include <asm/bootinfo.h> 12 #include <asm/bootinfo.h>
14 #endif 13 #endif
15 14
16 struct foo { 15 struct foo {
17 unsigned int bar; 16 unsigned int bar;
18 }; 17 };
19 18
20 static struct foo *foo; 19 static struct foo *foo;
21 20
22 static int __init test_debug_virtual_init(void 21 static int __init test_debug_virtual_init(void)
23 { 22 {
24 phys_addr_t pa; 23 phys_addr_t pa;
25 void *va; 24 void *va;
26 25
27 va = (void *)VMALLOC_START; 26 va = (void *)VMALLOC_START;
28 pa = virt_to_phys(va); 27 pa = virt_to_phys(va);
29 28
30 pr_info("PA: %pa for VA: 0x%lx\n", &pa 29 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
31 30
32 foo = kzalloc(sizeof(*foo), GFP_KERNEL 31 foo = kzalloc(sizeof(*foo), GFP_KERNEL);
33 if (!foo) 32 if (!foo)
34 return -ENOMEM; 33 return -ENOMEM;
35 34
36 pa = virt_to_phys(foo); 35 pa = virt_to_phys(foo);
37 va = foo; 36 va = foo;
38 pr_info("PA: %pa for VA: 0x%lx\n", &pa 37 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
39 38
40 return 0; 39 return 0;
41 } 40 }
42 module_init(test_debug_virtual_init); 41 module_init(test_debug_virtual_init);
43 42
44 static void __exit test_debug_virtual_exit(voi 43 static void __exit test_debug_virtual_exit(void)
45 { 44 {
46 kfree(foo); 45 kfree(foo);
47 } 46 }
48 module_exit(test_debug_virtual_exit); 47 module_exit(test_debug_virtual_exit);
49 48
50 MODULE_LICENSE("GPL"); 49 MODULE_LICENSE("GPL");
51 MODULE_DESCRIPTION("Test module for CONFIG_DEB 50 MODULE_DESCRIPTION("Test module for CONFIG_DEBUG_VIRTUAL");
52 51
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.