diff options
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 92a055b..b465c7f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1574,6 +1574,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address, #define FOLL_SPLIT 0x80 /* don't return transhuge pages, split them */ #define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */ #define FOLL_NO_CMA 0x200 /* avoid putting pages to CMA regions */ +#define FOLL_COW 0x4000 /* internal GUP flag */ typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); |