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-rw-r--r--fs/binfmt_elf.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index b0b9a779f9ac..3a93755e880f 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))