1 // SPDX-License-Identifier: GPL-2.0-only
2 #include <linux/kernel.h>
3 #include <linux/module.h>
4 #include <linux/export.h>
6 #include <linux/vmalloc.h>
7 #include <linux/slab.h>
8 #include <linux/sizes.h>
13 #include <asm/bootinfo.h>
20 static struct foo *foo;
22 static int __init test_debug_virtual_init(void)
27 va = (void *)VMALLOC_START;
28 pa = virt_to_phys(va);
30 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
32 foo = kzalloc(sizeof(*foo), GFP_KERNEL);
36 pa = virt_to_phys(foo);
38 pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
42 module_init(test_debug_virtual_init);
44 static void __exit test_debug_virtual_exit(void)
48 module_exit(test_debug_virtual_exit);
50 MODULE_LICENSE("GPL");
51 MODULE_DESCRIPTION("Test module for CONFIG_DEBUG_VIRTUAL");