X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Fpercpu-vm.c;h=2054c9213c43391ea58c6fd8260b52890518e9ef;hb=656164181eece68a2f99f0b8a1c5558184b67d7b;hp=ee5d89fcd66f2f9f6ab305806b64588f2456c8e0;hpb=8e8d9442d1139d05d0c3b83efa34c4b7693d2969;p=linux-2.6-microblaze.git

diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
index ee5d89fcd66f..2054c9213c43 100644
--- a/mm/percpu-vm.c
+++ b/mm/percpu-vm.c
@@ -303,6 +303,9 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk,
  * For each cpu, depopulate and unmap pages [@page_start,@page_end)
  * from @chunk.
  *
+ * Caller is required to call pcpu_post_unmap_tlb_flush() if not returning the
+ * region back to vmalloc() which will lazily flush the tlb.
+ *
  * CONTEXT:
  * pcpu_alloc_mutex.
  */
@@ -324,8 +327,6 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk,
 
 	pcpu_unmap_pages(chunk, pages, page_start, page_end);
 
-	/* no need to flush tlb, vmalloc will handle it lazily */
-
 	pcpu_free_pages(chunk, pages, page_start, page_end);
 }