Revision 1d13c49cf4e246b218d71873f1bb1bbd376aa10e authored by Lijo Lazar on 31 March 2023, 11:00:01 UTC, committed by Alex Deucher on 07 June 2023, 20:53:35 UTC
Use the right data structure for allocation. Signed-off-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
1 parent 2a1eb1a
test_debug_virtual.c
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/sizes.h>
#include <linux/io.h>
#include <asm/page.h>
#ifdef CONFIG_MIPS
#include <asm/bootinfo.h>
#endif
struct foo {
unsigned int bar;
};
static struct foo *foo;
static int __init test_debug_virtual_init(void)
{
phys_addr_t pa;
void *va;
va = (void *)VMALLOC_START;
pa = virt_to_phys(va);
pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
foo = kzalloc(sizeof(*foo), GFP_KERNEL);
if (!foo)
return -ENOMEM;
pa = virt_to_phys(foo);
va = foo;
pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
return 0;
}
module_init(test_debug_virtual_init);
static void __exit test_debug_virtual_exit(void)
{
kfree(foo);
}
module_exit(test_debug_virtual_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Test module for CONFIG_DEBUG_VIRTUAL");
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