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-rw-r--r--include/asm-generic/errno.h2
-rw-r--r--include/linux/mm.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-generic/errno.h b/include/asm-generic/errno.h
index 28cc03bf19e6..a1331ce50445 100644
--- a/include/asm-generic/errno.h
+++ b/include/asm-generic/errno.h
@@ -108,4 +108,6 @@
#define ERFKILL 132 /* Operation not possible due to RF-kill */
+#define EHWPOISON 133 /* Memory page has hardware error */
+
#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 46150c66318e..a77c82c56e05 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1532,6 +1532,7 @@ struct page *follow_page(struct vm_area_struct *, unsigned long address,
#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 */
+#define FOLL_HWPOISON 0x100 /* check page is hwpoisoned */
typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr,
void *data);