diff options
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index d3634bfb7fe1..863250157aa7 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -35,6 +35,7 @@ #include <linux/elf-fdpic.h> #include <linux/elfcore.h> #include <linux/coredump.h> +#include <linux/dax.h> #include <asm/uaccess.h> #include <asm/param.h> @@ -1206,6 +1207,20 @@ static int maydump(struct vm_area_struct *vma, unsigned long mm_flags) return 0; } + /* support for DAX */ + if (vma_is_dax(vma)) { + if (vma->vm_flags & VM_SHARED) { + dump_ok = test_bit(MMF_DUMP_DAX_SHARED, &mm_flags); + kdcore("%08lx: %08lx: %s (DAX shared)", vma->vm_start, + vma->vm_flags, dump_ok ? "yes" : "no"); + } else { + dump_ok = test_bit(MMF_DUMP_DAX_PRIVATE, &mm_flags); + kdcore("%08lx: %08lx: %s (DAX private)", vma->vm_start, + vma->vm_flags, dump_ok ? "yes" : "no"); + } + return dump_ok; + } + /* By default, dump shared memory if mapped from an anonymous file. */ if (vma->vm_flags & VM_SHARED) { if (file_inode(vma->vm_file)->i_nlink == 0) { |