enum migrate_mode mode; /* Async or sync migration mode */
bool ignore_skip_hint; /* Scan blocks even if marked skip */
bool direct_compaction; /* False from kcompactd or /proc/... */
+ bool whole_zone; /* Whole zone has been scanned */
int order; /* order a direct compactor needs */
const gfp_t gfp_mask; /* gfp mask of a direct compactor */
const unsigned int alloc_flags; /* alloc flags of a direct compactor */
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);