diff options
Diffstat (limited to 'loopback_driver.h')
| -rw-r--r-- | loopback_driver.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/loopback_driver.h b/loopback_driver.h index 1a767d9..bb713aa 100644 --- a/loopback_driver.h +++ b/loopback_driver.h @@ -24,6 +24,8 @@ #define DRIVER "LOOPBACK" +#include <linux/version.h> + /* max Minor devices */ #define MAX_DEV 1 @@ -348,7 +350,12 @@ int mmap_communication_shared_space(struct file *filp, struct vm_area_struct *vm uint64_t com_mmap_pfn = ((uint64_t)virt_to_phys(com_mmap_virt)) >> PAGE_SHIFT; int ret; - vm_flags_set(vma, VM_RESERVED); +#if LINUX_VERSION_CODE < KERNEL_VERSION(5,16,0) + vma->vm_flags |= VM_RESERVED; +#else + vm_flags_set(vma, VM_RESERVED); +#endif + ret = remap_pfn_range(vma, vma->vm_start, com_mmap_pfn, size, vma->vm_page_prot); if (ret != 0) { |