1 files changed, 3 insertions, 3 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 20554eff5a21..5e12e5bacbba 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3039,7 +3039,7 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file
                 return -EINVAL;
         area->vm_ops = &snd_pcm_vm_ops_status;
         area->vm_private_data = substream;
-        area->vm_flags |= VM_RESERVED;
+        area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
         return 0;
 }
 
@@ -3076,7 +3076,7 @@ static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file
                 return -EINVAL;
         area->vm_ops = &snd_pcm_vm_ops_control;
         area->vm_private_data = substream;
-        area->vm_flags |= VM_RESERVED;
+        area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
         return 0;
 }
 #else /* ! coherent mmap */
@@ -3170,7 +3170,7 @@ static const struct vm_operations_struct snd_pcm_vm_ops_data_fault = {
 int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream,
                              struct vm_area_struct *area)
 {
-        area->vm_flags |= VM_RESERVED;
+        area->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
 #ifdef ARCH_HAS_DMA_MMAP_COHERENT
         if (!substream->ops->page &&
             substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV)