---- crash-7.2.8/memory_driver/crash.c~ 2020-01-30 19:57:27.000000000 +0100
-+++ crash-7.2.8/memory_driver/crash.c 2020-08-16 18:41:10.187285717 +0200
-@@ -34,6 +34,7 @@
- #include <linux/mm.h>
- #include <linux/highmem.h>
- #include <linux/mmzone.h>
-+#include <linux/version.h>
-
- extern int page_is_ram(unsigned long);
-
-@@ -186,7 +186,11 @@
- return -EFAULT;
- }
-
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,8,0)
- if (probe_kernel_write(vaddr, buffer, count)) {
-+#else
-+ if (copy_to_kernel_nofault(vaddr, buffer, count)) {
-+#endif
- unmap_virtual(page);
- return -EFAULT;
- }
-@@ -227,7 +227,11 @@
- * Use bounce buffer to bypass the CONFIG_HARDENED_USERCOPY
- * kernel text restriction.
- */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(5,8,0)
- if (probe_kernel_read(buffer, vaddr, count)) {
-+#else
-+ if (copy_from_kernel_nofault(buffer, vaddr, count)) {
-+#endif
- unmap_virtual(page);
- return -EFAULT;
- }