1 #include <linux/kernel.h>
2 #include <linux/module.h>
3 #include <linux/export.h>
5 #include <linux/vmalloc.h>
6 #include <linux/slab.h>
7 #include <linux/sizes.h>
12 #include <asm/bootinfo.h>
19 static struct foo *foo;
21 static int __init test_debug_virtual_init(void)
26 va = (void *)VMALLOC_START;
27 pa = virt_to_phys(va);
29 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
31 foo = kzalloc(sizeof(*foo), GFP_KERNEL);
35 pa = virt_to_phys(foo);
37 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
41 module_init(test_debug_virtual_init);
43 static void __exit test_debug_virtual_exit(void)
47 module_exit(test_debug_virtual_exit);
49 MODULE_LICENSE("GPL");
50 MODULE_DESCRIPTION("Test module for CONFIG_DEBUG_VIRTUAL");