Merge tag 'perf-urgent-for-mingo-4.11-20170411' of git://git.kernel.org/pub/scm/linux...

[mirror_ubuntu-artful-kernel.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index ccfc2a2969f4402bdbfb27e0b48df151f4da68b7..266efaeaa370a46debcc5b6b614a72e33833ac4d 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -481,6 +481,13 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
 enum ttu_flags;
 struct tlbflush_unmap_batch;
 
+
+/*
+ * only for MM internal work items which do not depend on
+ * any allocations or locks which might depend on allocations
+ */
+extern struct workqueue_struct *mm_percpu_wq;
+
 #ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
 void try_to_unmap_flush(void);
 void try_to_unmap_flush_dirty(void);