mm: make mmap_sem for write waits killable for mm syscalls

[cascardo/linux.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index 3ac544f..bff7fd7 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -174,6 +174,7 @@ struct compact_control {
        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 */
@@ -441,9 +442,10 @@ extern u64 hwpoison_filter_flags_value;
 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,