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-rw-r--r--Documentation/vm/slub.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt
index 2acdda9601b0..6752870c4970 100644
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.txt
@@ -131,7 +131,10 @@ slub_min_objects.
slub_max_order specified the order at which slub_min_objects should no
longer be checked. This is useful to avoid SLUB trying to generate
super large order pages to fit slub_min_objects of a slab cache with
-large object sizes into one high order page.
+large object sizes into one high order page. Setting command line
+parameter debug_guardpage_minorder=N (N > 0), forces setting
+slub_max_order to 0, what cause minimum possible order of slabs
+allocation.
SLUB Debug output
-----------------