diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index c93dfffc4760..163e19fd7b33 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -305,6 +305,16 @@ static inline void set_page_zone(struct page *page, unsigned long zone_num) #define NOPAGE_SIGBUS (NULL) #define NOPAGE_OOM ((struct page *) (-1)) +/* + * Different kinds of faults, as returned by handle_mm_fault(). + * Used to decide whether a process gets delivered SIGBUS or + * just gets major/minor fault counters bumped up. + */ +#define VM_FAULT_OOM (-1) +#define VM_FAULT_SIGBUS 0 +#define VM_FAULT_MINOR 1 +#define VM_FAULT_MAJOR 2 + /* The array of struct pages */ extern struct page *mem_map; |