1 files changed, 10 insertions, 0 deletions

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 6b659967898e..5f399ea1d20a 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -35,6 +35,7 @@
 #include <linux/utsname.h>
 #include <linux/coredump.h>
 #include <linux/sched.h>
+#include <linux/dax.h>
 #include <asm/uaccess.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -1236,6 +1237,15 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
         if (vma->vm_flags & VM_DONTDUMP)
                 return 0;
 
+        /* support for DAX */
+        if (vma_is_dax(vma)) {
+                if ((vma->vm_flags & VM_SHARED) && FILTER(DAX_SHARED))
+                        goto whole;
+                if (!(vma->vm_flags & VM_SHARED) && FILTER(DAX_PRIVATE))
+                        goto whole;
+                return 0;
+        }
+
         /* Hugetlb memory check */
         if (vma->vm_flags & VM_HUGETLB) {
                 if ((vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_SHARED))