extern u64 hwpoison_filter_memcg;
extern u32 hwpoison_filter_enable;
-extern unsigned long vm_mmap_pgoff(struct file *, unsigned long,
+extern unsigned long __must_check vm_mmap_pgoff(struct file *, unsigned long,
unsigned long, unsigned long,
- unsigned long, unsigned long);
+ unsigned long, unsigned long,
+ bool);
extern void set_pageblock_order(void);
unsigned long reclaim_clean_pages_from_list(struct zone *zone,