fix: mm: introduce vma->vm_flags wrapper functions (v6.3)

[lttng-modules.git] / src / lib / ringbuffer / ring_buffer_mmap.c

diff --git a/src/lib/ringbuffer/ring_buffer_mmap.c b/src/lib/ringbuffer/ring_buffer_mmap.c
index 392157a05fa0a8d56a5e8062994c13b54d6ca180..d24b76a3c17be01c579791294250d2be55e7b39c 100644 (file)
--- a/src/lib/ringbuffer/ring_buffer_mmap.c
+++ b/src/lib/ringbuffer/ring_buffer_mmap.c
@@ -17,10 +17,13 @@
 #include <ringbuffer/frontend.h>
 #include <ringbuffer/vfs.h>
 
+#include <wrapper/mm.h>
+
 /*
  * fault() vm_op implementation for ring buffer file mapping.
  */
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0) || \
+       LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0))
 static vm_fault_t lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fault *vmf)
 #else
 static int lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fault *vmf)
@@ -57,7 +60,8 @@ static int lib_ring_buffer_fault_compat(struct vm_area_struct *vma, struct vm_fa
        return 0;
 }
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0) || \
+       LTTNG_RHEL_KERNEL_RANGE(4,18,0,193,0,0, 4,19,0,0,0,0))
 static vm_fault_t lib_ring_buffer_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
@@ -111,7 +115,7 @@ static int lib_ring_buffer_mmap_buf(struct lttng_kernel_ring_buffer *buf,
                return -EINVAL;
 
        vma->vm_ops = &lib_ring_buffer_mmap_ops;
-       vma->vm_flags |= VM_DONTEXPAND;
+       wrapper_vm_flags_set(vma, VM_DONTEXPAND);
        vma->vm_private_data = buf;
 
        return 0;