diff options
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 74949fbef8c6..f7e9efc6720b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h | |||
@@ -718,12 +718,20 @@ static inline int page_mapped(struct page *page) | |||
718 | #define VM_FAULT_SIGBUS 0x0002 | 718 | #define VM_FAULT_SIGBUS 0x0002 |
719 | #define VM_FAULT_MAJOR 0x0004 | 719 | #define VM_FAULT_MAJOR 0x0004 |
720 | #define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */ | 720 | #define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */ |
721 | #define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned page */ | 721 | #define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned small page */ |
722 | #define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */ | ||
722 | 723 | ||
723 | #define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */ | 724 | #define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */ |
724 | #define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */ | 725 | #define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */ |
725 | 726 | ||
726 | #define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON) | 727 | #define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */ |
728 | |||
729 | #define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \ | ||
730 | VM_FAULT_HWPOISON_LARGE) | ||
731 | |||
732 | /* Encode hstate index for a hwpoisoned large page */ | ||
733 | #define VM_FAULT_SET_HINDEX(x) ((x) << 12) | ||
734 | #define VM_FAULT_GET_HINDEX(x) (((x) >> 12) & 0xf) | ||
727 | 735 | ||
728 | /* | 736 | /* |
729 | * Can be called by the pagefault handler when it gets a VM_FAULT_OOM. | 737 | * Can be called by the pagefault handler when it gets a VM_FAULT_OOM. |