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-rw-r--r--include/linux/gfp.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index ad35f300b9a4..3bd64b115999 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -63,7 +63,10 @@ struct vm_area_struct;
* but it is definitely preferable to use the flag rather than opencode endless
* loop around allocator.
*
- * __GFP_NORETRY: The VM implementation must not retry indefinitely.
+ * __GFP_NORETRY: The VM implementation must not retry indefinitely and will
+ * return NULL when direct reclaim and memory compaction have failed to allow
+ * the allocation to succeed. The OOM killer is not called with the current
+ * implementation.
*
* __GFP_MOVABLE: Flag that this page will be movable by the page migration
* mechanism or reclaimed