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-rw-r--r--include/linux/mm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0e7bb2194da5..8b086070c3a5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -251,6 +251,9 @@ struct vm_operations_struct {
* writable, if an error is returned it will cause a SIGBUS */
int (*page_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);
+ /* same as page_mkwrite when using VM_PFNMAP|VM_MIXEDMAP */
+ int (*pfn_mkwrite)(struct vm_area_struct *vma, struct vm_fault *vmf);
+
/* called by access_process_vm when get_user_pages() fails, typically
* for use by special VMAs that can switch between memory and hardware
*/