thp: pmd_trans_huge migrate bugcheck

[mv-sheeva.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 78adec4ba9f4466bfc3b0aa92a8455ff20ee8424..2ec5138badab30ccb9ddcaa32d5b8e98b5e54eb5 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1490,6 +1490,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address,
 #define FOLL_DUMP      0x08    /* give error on hole if it would be zero */
 #define FOLL_FORCE     0x10    /* get_user_pages read/write w/o permission */
 #define FOLL_MLOCK     0x40    /* mark page as mlocked */
+#define FOLL_SPLIT     0x80    /* don't return transhuge pages, split them */
 
 typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
                        void *data);